Regular Expressions 101

Save & Share

Flavor

  • PCRE2 (PHP >=7.3)
  • PCRE (PHP <7.3)
  • ECMAScript (JavaScript)
  • Python
  • Golang
  • Java 8
  • .NET 7.0 (C#)
  • Rust
  • Regex Flavor Guide

Function

  • Match
  • Substitution
  • List
  • Unit Tests

Tools

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

/
/
g

Test String

Code Generator

Generated Code

#include <StringConstants.au3> ; to declare the Constants of StringRegExp #include <Array.au3> ; UDF needed for _ArrayDisplay and _ArrayConcatenate Local $sRegex = "ggg" Local $sString = "The_Hink" & @CRLF & _ "8" & @CRLF & _ "G" & @CRLF & _ "Mr.Lol https://namemc.com/profile/Mr.LoL/6e27dd0e" & @CRLF & _ "$ https://namemc.com/profile/$/dce40453" & @CRLF & _ "" & @CRLF & _ "^(?![0-9a-zA-Z\_]{1,16}.)*$" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "[Admin] Hink" & @CRLF & _ " [Mod] Hink" & @CRLF & _ "asd [] asd" & @CRLF & _ "[] Nigger" & @CRLF & _ "[[ ]]" & @CRLF & _ "][" & @CRLF & _ "" & @CRLF & _ ".*?[\[](.+)?[\]].*" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "^([^a-zA-Z0-9]*|.*[^a-zA-Z0-9]*)?[\h\H\Ĥ\ĥ\Ħ\ħ][^a-zA-Z0-9]*[\i\I\!\|\Ì\ì\Í\í\Î\î\Ï\ï\!\|][^a-zA-Z0-9]*[\n\N\Ń\ń\Ņ\ņ\Ň\ň\ʼn\Ŋ\ŋ][^a-zA-Z0-9]*[\k\K\Ķ\ķ\ĸ].*?$" & @CRLF & _ "hink" & @CRLF & _ "Hink" & @CRLF & _ "HiNk" & @CRLF & _ "hnk" & @CRLF & _ "think" & @CRLF & _ " hink" & @CRLF & _ "-hink_" & @CRLF & _ "h-i-n-k" & @CRLF & _ "h i n k" & @CRLF & _ "kys hink" & @CRLF & _ "idk hink what's up?" & @CRLF & _ "stop being a nif" & @CRLF & _ "t hink" & @CRLF & _ "2 2 hi___nk 22" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "^([^a-zA-Z0-9]*|(.*[^a-zA-Z0-9]+))?[hH\Ĥ\ĥ\Ħ\ħ][^a-zA-Z0-9]*[iI!|\Ì\ì\Í\í\î\Ï\ï][^a-zA-Z0-9]*[nN\Ń\ń\Ņ\ņ\Ň\ň\ʼn\Ŋ\ŋ][^a-zA-Z0-9]*[kK\Ķ\ķ\ĸ].*$" & @CRLF & _ "Hink" & @CRLF & _ "hink" & @CRLF & _ "think" & @CRLF & _ "hink is cunt" & @CRLF & _ "lick my cunt hink" & @CRLF & _ "h - ink" & @CRLF & _ " h ---inK+_" & @CRLF & _ "ĤÏNķ" & @CRLF & _ "think" & @CRLF & _ "sticky hinky" & @CRLF & _ "" & @CRLF & _ "^[\h\H\Ĥ\ĥ\Ħ\ħ][\i\I\!\|\Ì\ì\Í\í\Î\î\Ï\ï][\n\N\Ń\ń\Ņ\ņ\Ň\ň\ʼn\Ŋ\ŋ][\k\K\Ķ\ķ\ĸ]$" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "^.*[\⁢\ㅤ\ᅠ\ᅠ\ᅟ].*$" & @CRLF & _ "" & @CRLF & _ "^.*[\u2062\u3164\uFFA0\u1160\u115F].*$" & @CRLF & _ "http://www.fileformat.info/info/unicode/char/2062/index.htm: "⁢"" & @CRLF & _ "http://www.fileformat.info/info/unicode/char/3164/index.htm: "ㅤ"" & @CRLF & _ "http://www.fileformat.info/info/unicode/char/ffa0/index.htm: "ᅠ"" & @CRLF & _ "http://www.fileformat.info/info/unicode/char/1160/index.htm: "ᅠ"" & @CRLF & _ "http://www.fileformat.info/info/unicode/char/115f/index.htm: "ᅟ"" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "^([^a-zA-Z0-9]*|(.*[^a-zA-Z0-9]+))?[hH][^a-zA-Z0-9]*[iI!][^a-zA-Z0-9]*[nN][^a-zA-Z0-9]*[kK].*$" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYGLOBALFULLMATCH) Local $aFullArray[0] For $i = 0 To UBound($aArray) -1 _ArrayConcatenate($aFullArray, $aArray[$i]) Next $aArray = $aFullArray ; Present the entire match result _ArrayDisplay($aArray, "Result")

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 AutoIt, please visit: https://www.autoitscript.com/autoit3/docs/functions/StringRegExp.htm