Java Escape Sequence For Quotes

It looks like one, and it’s even equal to \00 and \000, both of which are octal escape sequences — but unless it’s followed by a decimal digit, it acts like a single character escape sequence. It is composed of two or more characters starting with backslash \. The pipe character is escaped by the Pattern. \" When java compiler encounters escape sequences in print statement, the. Any double quote escaped characters (a pair of double quotes) are unescaped to just one double quote. This means that quotes in a heredoc do not need to be escaped, but the escape codes listed above can still be used. It focuses on quotes, backslashes, new lines, tabs and carriage returns (\" \\ \n \t \r) Note: \r sometimes does not work as intended. If you do, use ' not '. There are no primitive data types unlike in java since everything in Scala is an object. In either case, the character can be encoded with a % followed by its ASCII hexadecimal equivalent code. An escape sequence is a sequence of characters that does not represent itself when used inside a character or string literal, but is translated into another character or a sequence of characters that may be difficult or impossible to represent directly. \b Inserts a backspace in the text at this point. Unicode character symbols table with escape sequences & HTML codes. Some escape sequences are defined in Java:. 1: Special Character Escape Sequences. Words true, false, and null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs. → instead of @->@, ∀ instead of @[email protected] and many others. Simply put, we need to employ a. The grammar of the language derives from the Java grammar, but enhances it with specific constructs for Groovy, and allows certain simplifications. Thanks a lot for the quick response. An escape sequence is a sequence of characters that gets translated to another character when used inside single quotes. See I have not used the escape sequences for the double quotes and brackets. Unlike octal numbers in general, octal numbers in escape sequences do not have to begin with a 0. Strings placed between double quotes " provide interpolation (other variables embedded in the string will be replaced by their content), and they also replace the special escape sequences such as by a real newline and \t by a real tab. User Input. SQL statements may require escape sequences (for example, sequences containing \t, , \r) in certain cases, such as when storing raw text in a database. An escape sequence is a series of characters used to change the state of computers and their attached peripheral devices. Therefore, by assigning different data types to variables, you can store integers, decimals, or characters in these variables. Escape Characters. These are written in single or double quotes, An escape sequence is a combination of backslash"\" and a code character. , sequences containing \t, \n, \r). Most commonly, escape characters are used to solve the problem of using special characters inside a string declaration. It focuses on quotes, backslashes, new lines, tabs and carriage returns (\" \\ \n \t \r) Note: \r sometimes does not work as intended. The compiler recognizes any sequence of characters (including the escape characters) enclosed in double quotes as a String constant, and creates an appropriate String object when it compiles the program. Some escape sequences are defined in Java:. The "escape" format is the traditional PostgreSQL format for the bytea type. Can you also tell me what a format quote is. Java uses the Unicode character set. For example, \040 represents a space character. Regular Expression, or regex or regexp in short, is extremely and amazingly powerful in searching and manipulating text strings, particularly in processing text files. All the escape sequences with program example is given below. Download a PDF of this article. 1: Special Character Escape Sequences. My Java code uses the IndexRequestBuilder. The \012 is what we call an escape sequence. The console area isn't a terminal, and probably relies on default Java behavior for these characters. Escape sequences are used in the programming languages C and C++, and their design was copied in many other languages such as Java and C#. Reference Variables String Basics String Methods: equals, equalsIgnoreCase, length. The escape() function was deprecated in JavaScript version 1. Any example to understand this concept. Yeah, it is normally the escape sequence so you need to hit it twice and it will print. If you don't intend to use interpolation, it's recommended to use single quotes more often than not. Regular Expression, or regex or regexp in short, is extremely and amazingly powerful in searching and manipulating text strings, particularly in processing text files. Escape sequences are used to indicate special characters or actions, such as line feed, form feed, or carriage return. char c ='\''; System. A string expression prepended with @ or % has no escape sequences: all characters except quotes are taken litterally. As an example, the escape sequence \n represents the ASCII newline control. An escape sequence is a series of characters used to change the state of computers and their attached peripheral devices. Character Escape Sequences in C#. Some of the types can have a special internal representation - for example, numbers, characters and booleans can be represented as primitive values at runtime - but to the user they look like ordinary classes. An escape sequence in C language is a sequence of characters that doesn't represent itself when used inside string literal or character. Escape Sequence in C Programming Language is used to format the output. Following are list of Java escape sequences. Java Examples: Basic Java Examples - Java Escape Sequences. An escape sequence consists of two or more characters. This chapter covers the syntax of the Groovy programming language. In addition to that there is a whole bunch of escape sequences in java:. The char data type in Java. In this Java character tutorial, we learned about what is Java character class, different methods for declaring character in Java, different escape sequences in Java, which will further help us to understand the complex Java programs. The new-line character has special meaning when used in text mode I/O: it is converted to the OS-specific newline representation, usually a byte or byte sequence. SQL statements may require escape sequences (for example, sequences containing \t, , \r) in certain cases, such as when storing raw text in a database. So it would be System. Escaping Special Characters in Linux and Unix: With 7 Practical Examples Posted on August 9, 2012 by Geekster — No Comments ↓ I have written this short article on escaping special characters here. Whenever you want to ignore one of these meanings, use the escape character \ (backlash). Java escape sequences can be placed in a string literal in three ways: Standard escapes with \b \f \n \r \t…. println() statements to advance to the next line after the string is printed. This tutorial demonstrate the java escape sequence with example. This construct is interpreted as a backreference if it has only one digit (for example, \2) or if it corresponds to the number of a capturing group. The lexical analyzer splits the source text up into tokens. Here is a list of escape sequences:. A single backslash is indicated by \. Arrays Basic C# C# Console C++ Class Collection Conditional Statement Database Do While Loop Foreach Statement For Loop General If Else Statement Java Library Linq List Loops / Iteration Statement Methods Programming Languages Pseudocode Examples Python 3 SQL String Methods Switch Statement While Loop Windows Form WPF Form. String literals - A sequence of characters enclosed between a pair of double quotes are identified as String Literals in Java. When you’re programming in the C language, sometimes you need to refer to a key press that doesn’t result in a specific character. How to escape Java String Literals; Syntax for String escape; List value for string escape; Example - Escape string value; Example - Java strings must begin and end on the same line; Description. For example, \n stands for new line; even though it looks two characters, Java treats them as one character with ASCII code of 10. Escape sequences are also used to handle single and double quotes. Escape sequences are used to indicate special characters or actions, such as line feed, form feed, or carriage return. 3 Java escape. Example of String literals. Grammar and types. \ nnn: Matches an ASCII character, where nnn consists of two or three digits that represent the octal character code. Java Escape Sequences Java has help escape sequences start with a backslash This is followed by another character that represents the control character 5/1/2016 Sacramento State - CSc 10A 42 Java Escape Sequences. All the escape sequences with program example is given below. Backslash characters & Escape sequences, The backslash ( \ ) character is used to escape characters that otherwise have a special meaning, such as newline, backslash itself, or the quote character. We're going to learn about two new topics, strings and variables. The first thing we have to do with a command-line, which we haven't done so far, is to take user input. For example, escape will encode the capital Cyrillic letter A as %u0410. In either case, the character can be encoded with a % followed by its ASCII hexadecimal equivalent code. This document is a guide to remove escape sequences from a file by using a java mapping. URL Escape Codes When encoding a URL, a character may not be available on the keyboard. Additional Examples. An escape sequence is a sequence of characters that does not represent itself when used inside a character or string literal, but is translated into another character or a sequence of characters that may be difficult or impossible to represent directly. Escape sequences are used in the programming languages C and C++, and their design was copied in many other languages such as Java and C#. An escape character is a character which invokes an alternative interpretation on subsequent characters in a character sequence , the c programming. I tried this and it does not seem to make a difference. Comparison of Java vs. For example, \n stands for new line; even though it looks two characters, Java treats them as one character with ASCII code of 10. Escape characters (also called escape sequences or escape codes) are used to signal an alternative interpretation of a series of characters. The newline character ( ) has been used frequently in this tutorial in System. Unicode character symbols table with escape sequences & HTML codes. Java source code. Now Java sees it this way. Update: The CSS Object Model spec now defines CSS. For example, String word = new String(myByteArray);. The following is a list of all the built in replacements. These are also known as control sequences, reflecting their use in device control. First see, how escape sequence works? In the below example, we are using some of the escape sequence and their outputs, we are printing single quote (\'), double quotes (\"), printing path (double slash) (\\) and using hexadecimal values (\x). The most popular escape sequences you will be using are the new line (n) and the horizontal tab (t). println() statements to advance to the next line after the string is printed. Arrays Basic C# C# Console C++ Class Collection Conditional Statement Database Do While Loop Foreach Statement For Loop General If Else Statement Java Library Linq List Loops / Iteration Statement Methods Programming Languages Pseudocode Examples Python 3 SQL String Methods Switch Statement While Loop Windows Form WPF Form. \ nnn: Matches an ASCII character, where nnn consists of two or three digits that represent the octal character code. Grammar and types. Regular Java language escape sequences work as expected, and double quotes do not need to be escaped unless you want a sequence of three, in which case, at least one of them must be escaped. 1 summarizes those escape sequences. Within a raw string literal, no escape sequences are processed; the contents are taken literally, including backslashes and newlines, so a raw string literal may spread over several lines in the program source. The Cheat Sheet Series project has been moved to GitHub!. However, keep in mind that these rules is not 100% accurate for every driver and every situation. A character preceded by a backslash (\) is an escape sequence and has special meaning to the compiler. Of the octal escape sequences, \0 is the most useful because it represents the terminating null character in null-terminated strings. It is composed of two or more characters starting with backslash \. For further Unicode goodness you can enable the @[email protected] language extension \\[1\\]. The material in this page of notes is organized after "C Programming, A Modern Approach" by K. That is, the escaped character is interpreted as if it was not escaped. Our programs cannot use any of these characters directly. " What println statements will generate this output? A "quoted" String is 'much' better if you learn the rules of "escape sequences. In Java, a character preceded by a backslash (\) is an escape sequence and has special meaning. This is a string containing "double quotes". This is a preview language feature in JDK 13. What are the escape characters in Java? Escape sequence. 1 summarizes those escape sequences. This is a bit of a wierd question, and Ill not bore you with a detailed explanation of why Im asking it. \b \f \n \r \t \" \' :. Escape Sequences in Java. Each escape sequences begins with a single backslash character, like that, and for example if I wanted a quote mark, a double quote within this string that has double quotes on either side of it. There are other types of Java variables, but those are more complicated to deal with. See below table for available Java escape sequences: package javatutorial; /** * Example usage of Escape Sequence. Escape Sequences: An escape sequence is a backslash followed by a letter or a combination of digits. Within a raw string literal, no escape sequences are processed; the contents are taken literally, including backslashes and newlines, so a raw string literal may spread over several lines in the program source. Unfortunately many operating systems and web browsers do not handle Unicode. A Unicode character escape sequence is substituted by the UTF-8 encoding of the specified Unicode scalar value. Text that you load into a string variable from a file (via loadVariables, loadVars or XML) does not need to contain escape sequences. These sequences define functions that change display graphics, control cursor movement, and reassign keys. Learn Java the Hard Way (Second Edition) Exercise 4: Escape Sequences and Comments. Escape sequences You can achieve the same effect in double-quoted strings by using the escape character, which, in PHP, is a backslash \. Every character with an UTF-8 code above 127 is not interchangeable between the "normal" Western ISO-8859-1 encoding and UTF-8. Below lists these escape sequences: \ddd The Latin-1 character specified by the three octal digits between 0 and 377. println() statements to advance to the next line after the string is printed. customization of delimiters with repeating open and close double-quotes, and; handling of escape sequences. After all, characters between double quotes are literally displayed. "); • An escape sequence is a series of characters that. Here is a list of escape sequences:. between the double quotes surrounding a java String literal). So that must mean I am looking at a true single quote, instead of the end of a char literal. This is necessary for double quotes " as they would terminate the string and also for backslash \ character as it would rather indicate escaped character. Quick Question: How do I escape " in VBScript? However, it's not working correctly. User Input. Since the introduction of delayed variable expansion a new challenge is to escape exclamation marks, the "delayed" version of the percent sign. It seems to be. A text block is a multi-line string literal that avoids the need for most escape sequences, automatically formats the string in predictable ways, and gives. Net String Escape / Unescape. 1 summarizes those escape sequences. Mouse click on character to get code:. These are 10 examples of valid string expressions. Chapter 1 The way of the program. To print a new line, we use the escape sequence '\n' and to print a tab ( a group of spaces), we use the escape sequence '\t'. Single quotes, apostrophes, or hard quotes are much more restrictive. \b Inserts a backspace in the text at this point. 6 // main method begins execution of Java application 7 public static void main( String args[] ) 8 { 9 System. ตัวอย่าง escape sequence ในภาษาจาวา \b คือ ถอยหลัง 1 ช่องตัวอักษร (backspace) \t คือ แท็บแนวนอน (horizontal tab). 1: Special Character Escape Sequences. The problem is I am using double quotes for the onclick event and single quotes for the variables. Java Character Class Inserts a single quote character in the text at this point. It is used as the cool stuff about JAVA, including how to use escape sequences, the. Strings placed between double quotes " provide interpolation (other variables embedded in the string will be replaced by their content), and they also replace the special escape sequences such as by a real newline and \t by a real tab. Lets say you want to print the string that contains double quotes. Java Escape Sequences Examples Here is the Java Example for the program Escape : /* string USA is printed enclosed in the double quotes and By , cursor will. The escape sequences are enclosed in single quotes. The forward slash used as the SQL escape has no special meaning to the Java compiler; this escape sequence is interpreted by the JDBC driver and translated into database-specific SQL before the SQL command is issued to the database. We'll take a quick tour of the most popular JSON-processing libraries and how they make escaping a simple task. When I’m running my code on “Escape Sequences in Strings” I don’t seem to be getting any of it right even though I feel like I’m following the instructions (but I’m obviously not). A character escape sequence starts with a backslash immediately followed by a character, and both are enclosed in single quotes. See below table for available Java escape sequences: package javatutorial; /** * Example usage of Escape Sequence. Escape Sequences: An escape sequence is a backslash followed by a letter or a combination of digits. 1 String Read Syntax. A text block is a multi-line string literal that avoids the need for most escape sequences, automatically formats the string in a predictable way, and gives the developer control over format when desired. They usually begin with the '\(backslash)' symbol. 2 string literals 67 figure 2. Other characters have special meaning in the language, such as the single and double quotation marks, and the backslash. For example, \040 represents a space character. So that must mean I am looking at a true single quote, instead of the end of a char literal. Escape sequences are the special characters used in control string to modify the format of the output. You will need to escape the '('. Escape characters are also important when using the SQL LIKE clause. A name should start with a letter and consist of letters and/or digits. Escape sequence, being a single character, should be put within single quotes. If we have escape sequences in the alphabet, then they count as one character. Escape sequences allow you to send nongraphic control characters to a display device. That starts off an escape sequence. Lesson 1B –More Simple Output Techniques using Escape Sequences quote). Returns the specified string with all non-ASCII characters and non-printable ASCII characters replaced by the corresponding Java escape sequences (that is ' ', 'é', etc). A text block is a multi-line string literal that avoids the need for most escape sequences, automatically formats the string in a predictable way, and gives the developer control over format when desired. This makes it particularly exciting that ColdFusion 10 now provides. One more syntax option. The escape sequence ensures that the quotation mark is treated as part of the from CM 1 at Asia e University 2. A "\n" is a single character, a line feed, but we don't have a single character on the keyboard that represents it, so we use "\n" to represent it. For example, \s matches any whitespace symbol. As we’ve seen, a backslash \ is used to denote character classes, e. I am having a problem importing any content that includes quotes (single or double). How to escape Java String Literals; Syntax for String escape; List value for string escape; Example - Escape string value; Example - Java strings must begin and end on the same line; Description. The \012 is what we call an escape sequence. (The last example is a multiline string. Try that instead. After all, characters between double quotes are literally displayed. json parser fails when escaping quotation marks and to escape them (Note, for the double-quote, string representation of the same JSON \t escape sequence. Enter the String get sample. Escape characters in Java are used in String literals when you need to enter something like a quotation mark, a slash, or a line return. Escape sequences in C language: (Back slash characters) These are the non-graphical characters used to perform some action on the display devices. In Kotlin, everything is an object in the sense that we can call member functions and properties on any variable. The Python Reference Manual describes one more syntax option for strings as shown below. A name should start with a letter and consist of letters and/or digits. String in Java. The most of Java special. Unlike Unicode escape sequence where you are always required to use four hexadecimal digits, in octal escape sequence you can use one, two, or three octal digits. Some escape sequences are defined in Java:. Escape sequences are a sequence of characters that represent a different meaning when used in a string literal. Description: There is currently no way to specify a Unicode character escape sequence for use in string literals. A C/C++ programmer might have used the following escape sequences frequently viz. Unicode escape sequences may appear anywhere in a Java source file (including inside identifiers, comments, and string literals). Surrounding a string with triple double-quotes (""" """) allows you to have any combination of quotes and line breaks within a string and Python will still interpret it as a single entity. There are eight predefined character escape sequences as listed below:. The compose function can return multiple pieces of formatted text as a string array or a cell array of character vectors, unlike sprintf. Removes the character that comes before this escape sequence (backspace). Output can be formatted in several ways inside of the System. Indeed, we use an escape sequence to represent such characters. For example, you want to put a line break in the output of a C++ statement then you will use "\n" character which is an escape sequence itself. That is, the escaped character is interpreted as if it was not escaped. 7 \r: Return to the beginning of the line (Carriage return). The following escape sequences allow for the representation of some non-graphic characters as well as the single quote, "`" and the backslash "\", in Java code: 2. \n - New Line \r - Carriage return \t - Tab In XML, several characters are part of the syntactic structure of XML and will not be interpreted as themselves if simply placed within an XML data source. Escape Sequence Meaning nn Newline nt Tab nb Backspace nr Carriage Return n\ Double Quote n‘ Single Quote nn Backslash. So it’s a special character in regexps (just like in regular strings). A boolean type, a character type, four integer types, and two floating types. Java Strings literals accepts a set of escape characters. When an escape sequence is encountered in a print statement, the compiler interprets it accordingly. These characters are known as escape sequences and precede (starts) with a backward slash \ like \n and \t etc. Since the introduction of delayed variable expansion a new challenge is to escape exclamation marks, the "delayed" version of the percent sign. What are the escape characters in Java? Escape sequence. After all, characters between double quotes are literally displayed. The escape sequences , \t, \b, \r, and \f are nonprintable characters. Below are the examples. Surprisingly, /n and /t does not behave same with RegExp, though they are same escape sequences. The read syntax for strings is an arbitrarily long sequence of characters enclosed in double quotes ("). Unicode escape sequences such as \u2014 in Java source code are processed as described in section 3. These escape sequences are then forwarded to all members of the channel as usual, and clients can format these links specially. The primary JavaS W escape sequences are listed below. Escape sequences are very common in a language. Arrays Basic C# C# Console C++ Class Collection Conditional Statement Database Do While Loop Foreach Statement For Loop General If Else Statement Java Library Linq List Loops / Iteration Statement Methods Programming Languages Pseudocode Examples Python 3 SQL String Methods Switch Statement While Loop Windows Form WPF Form. A character preceded by a backslash (\) is an escape sequence and has a special meaning to the compiler. Following are list of Java escape sequences. Add text blocks to the Java language. For example, "\"" is for the double-quote character. Choose from 297 different sets of escape sequences java flashcards on Quizlet. This is a string containing "double quotes". Escape Sequences • What if we want to include the quote character itself? • The following line would confuse the compiler because it would interpret the two pairs of quotes as two strings and the text between the strings as a syntax error: System. Each escape sequence has unique ASCII value. A character preceded by a backslash (\) is an escape sequence and has special meaning to the compiler. First see, how escape sequence works? In the below example, we are using some of the escape sequence and their outputs, we are printing single quote (\'), double quotes (\"), printing path (double slash) (\\) and using hexadecimal values (\x). QUESTION 1: Correct The character escape sequence to force the cursor to go to the next line is: QUESTION 2: Correct The character escape sequence to force the cursor to advance forward to the next tab setting is: QUESTION 3: Correct The character escape sequence to represent a single quote is: QUESTION 4: Correct The character escape sequence to represent a double quote is: QUESTION 5. I see a backslash. The fact that the escape sequences and some of the words in the control string are joined together (like \t and the word favorite) may look awkward, but this produces the same text with added horizontal tabs and newlines: My favorite numbers are 2 and 3. Unicode escape sequences may appear anywhere in a Java source file (including inside identifiers, comments, and string literals). A "\n" is a single character, a line feed, but we don't have a single character on the keyboard that represents it, so we use "\n" to represent it. ANSI escape sequences are emphatically non-portable. Java Escape Sequences. For all sequences, the first character will be "\" i. Escape characters are also important when using the SQL LIKE clause. Simply put, we need to employ a. Escape sequences are used to indicate special characters or actions, such as line feed, form feed, or carriage return. Since single quotes in the context of a text block have no syntactic meaning, so in particular do not end it, escaping is not necessary. 1: Special Character Escape Sequences. When representing SQL statements in Java string literals, each escape sequence must be preceded by an extra backslash for correct interpretation. This program prints a quote from the Gettysburg Address. quote() returns a literal pattern String for the specified String. println ("I said "Hello" to you. \n Inserts a newline. println(c); That will give ' as output. A single-quote character within the string must be entered twice. The escape sequence allows you to embed special characters like double quotes, line feed, carriage return, tab, etc. A Word Aligned article posted 2006-09-02, tagged C++, Ruby, Puzzles, Python, Boost, Regex, Characters. Description: Escape Sequences. One line of regex can easily replace several dozen lines of programming codes. Other times, the character of a URL might not be usable in contexts where it may conflict with a reserved character. Escape characters (also called escape sequences or escape codes) in general are used to signal an alternative interpretation of a series of characters. It looks like one, and it’s even equal to \00 and \000, both of which are octal escape sequences — but unless it’s followed by a decimal digit, it acts like a single character escape sequence. You need to add escape sequences when the strings used in queries contain either special characters (double-quote, apostrophe) or wildcard characters (percent sign, underscore, star, question mark) or a default escape character (a backlash). The quote character must be escaped because the Distinguished Names output by the dsquery command are enclosed in quotes, in case there are any spaces. String and character literals provide an escape mechanism that allows express character codes that would otherwise not be allowed in the literal. For example, if you wanted String A to have the value:. as a WebServiceMock or HttpCalloutMock you must escape the backslash itself in Apex:. Cpp Program to Print Hello World With Escape Sequences, Use different escape sequences to print things in different ways. The character following the single slash determines the nature of the special output. • An escape sequence is a series of characters that represents a special character • An escape sequence begins with a backslash character (\) System. THE unique Spring Security education if you're working with Java today. Escape Sequence with Python String. Reference Variables String Basics String Methods: equals, equalsIgnoreCase, length. The following escape sequences allow special characters to be put into the source code. This function makes a string portable, so it can be transmitted across any network to any computer that supports ASCII characters. * which would set the escape sequences to be the Java escape * sequences. To start with let use 'New Line' character escape sequence \n in String literals. Words true, false, and null might seem like keywords, but they are actually literals; you cannot use them as identifiers in your programs. 3 of The Java™ Language Specification. In its simplest form, you code it like this: Technically, an assignment is an expression, not a statement. A character preceded by a backslash (\) is an escape sequence and has a special meaning to the compiler. If you'd like to represent a double quote within a String literal, you can do so with \". The entire character set is divided into 2 parts i. string - Clojure v1. It comes with the backslash (\). Eg: 604,Beverlyblvd to be "604,Beverlyblvd". \') to get around these problems? If there are no escape sequences, what would be the best way to get around the problem? Thanks. Any example to understand this concept. abstract assert boolean break byte case catch char class const continue default do double else enum extends false final finally float for goto if implements import instanceof int interface long native new null package private protected public return short static strictfp super switch synchronized this throw throws transient true try void volatile while. For example, you want to put a line break in the output of a C++ statement then you will use "\n" character which is an escape sequence itself. Null literal – The null type has one value, the null reference, represented by literal, null. THE unique Spring Security education if you’re working with Java today. Anyone have an example?. '\u0061' Unicode representation (explained below). println("She said \"Hello!\" to me. Since the introduction of delayed variable expansion a new challenge is to escape exclamation marks, the "delayed" version of the percent sign. the ASCII characters set and the extended ASCII characters set. Backslash characters & Escape sequences, The backslash ( \ ) character is used to escape characters that otherwise have a special meaning, such as newline, backslash itself, or the quote character. One goal is to simplify the writing of Java programs by making it easy to express strings spanning several lines of source code while avoiding escape sequences in common cases. You can specify multiple strings with the print statement. Every character with an UTF-8 code above 127 is not interchangeable between the "normal" Western ISO-8859-1 encoding and UTF-8. quote() method and the split() interprets it as a String literal by which it divides the input. Escape sequences You can achieve the same effect in double-quoted strings by using the escape character, which, in PHP, is a backslash \. A character preceded by a backslash is known as escape sequence. Character literals are enclosed in single quotation marks.