Save & Share

  • Current Version: 1
  • Update Regex
    ctrl+⇧+s
  • Save new Regex
    ctrl+s
  • Add to Community Library

Flavor

  • PCRE2 (PHP)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java
  • .NET 7.0 (C#)
  • Rust
  • PCRE (Legacy)
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests
Sponsors
There are currently no sponsors. Become a sponsor today!
An explanation of your regex will be automatically generated as you type.
Detailed match information will be displayed here automatically.
  • All Tokens
  • Common Tokens
  • General Tokens
  • Anchors
  • Meta Sequences
  • Quantifiers
  • Group Constructs
  • Character Classes
  • Flags/Modifiers
  • Substitution
  • A single character of: a, b or c
    [abc]
  • A character except: a, b or c
    [^abc]
  • A character in the range: a-z
    [a-z]
  • A character not in the range: a-z
    [^a-z]
  • A character in the range: a-z or A-Z
    [a-zA-Z]
  • Any single character
    .
  • Alternate - match either a or b
    a|b
  • Any whitespace character
    \s
  • Any non-whitespace character
    \S
  • Any digit
    \d
  • Any non-digit
    \D
  • Any word character
    \w
  • Any non-word character
    \W
  • Non-capturing group
    (?:...)
  • Capturing group
    (...)
  • Zero or one of a
    a?
  • Zero or more of a
    a*
  • One or more of a
    a+
  • Exactly 3 of a
    a{3}
  • 3 or more of a
    a{3,}
  • Between 3 and 6 of a
    a{3,6}
  • Start of string
    ^
  • End of string
    $
  • A word boundary
    \b
  • Non-word boundary
    \B

Regular Expression
Processing...

Test String

Code Generator

Language

Generated Code

$re = '/\/\*.*?\*\/(*SKIP)^|\/\/.*?$(*SKIP)^|\'(?>\\\\?.)*?\'(*SKIP)^|"(?>\\\\?.)*?"/ms'; $str = '$str = "this is something"; $str = "this is {$another}"; $str = "could be {$hello[\'world\']}"; $str = "and $hello[world] another"; $str = "building <div style=\\"width: 100%\\" data-var=\\"{$var}\\"></div>"; $str = \'<elem prop="\' . $var . \'">\'; $str = \'<div class="my-class \' . $my_var_class . \' my-other-class">\'; $str = "\'single quotes in double quotes\'"; $str = \'"double quotes in single quotes"\'; $xml .= " <$schemaPrefix:import location=\\"" . $ii[\'location\'] . \'" namespace="\' . $ns . "\\" />\\n"; // this is it\'s own comment with an apostrophe $str = "\'single quote\'"; $str = \'"double quote"\'; /* comment\'s apostrophe */ $str = "\'single quote\'"; $str = \'"double quote"\'; /* comment\'s apostrophe */ $str = \'"double quote"\'; $str = "\'single quote\'"; $str = \'"double quote\\\'d apostrophe"\'; $str = "double quote\'d apostrophe"; $str = "\'single quote\'"; $str = \'"double quote"\'; $str = "double quote\'d apostrophe"; $str = \'"double quote"\'; $str = "\'single quote\'"; // this is it"s own comment with a double quote $str = "\'single quote\'"; $str = \'"double quote"\'; /* comment"s 2 quote */ $str = "\'single quote\'"; $str = \'"double quote"\'; /* comment"s 2 quote */ $str = \'"double quote"\'; $str = "\'single quote\'"; $str = \'"double quote\\\'d apostrophe"\'; $str = "double quote\'d apostrophe"; $str = "\'single quote\'"; $str = \'"double quote"\'; $str = "double quote\'d apostrophe"; $str = \'"double quote"\'; $str = "\'single quote\'";'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php