Regular Expressions 101

Save & Share

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

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
No Match

/
/
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 = "[^'"\s.]+\.[^\s'"&]+&[^\s"']+(?!\S)" Local $sString = "www.google.com/mom=3&f" & @CRLF & _ " -H "Content-Type: google.com/cool?cool1=yes&cool2=no&cool3=no" \\" & @CRLF & _ "-H "Content-Type: google.com/cool?mom=3&f" \\" & @CRLF & _ "www.google.com/mom=3&fbom=cbom'" & @CRLF & _ ""www.google.com/mom=3&f"" & @CRLF & _ "curl -X GET \\" & @CRLF & _ " -H "User-Agent: Dalvik/2.1.0 (Linux; U; Android 10; SM-A705FN Build/QP1A.190711.020) Test/4.6.4.459" \\" & @CRLF & _ " -H "Authorization: bearer XXX" \\" & @CRLF & _ " -H "x-storefront-id: 1" \\" & @CRLF & _ " -H "x-application-id: 5" \\" & @CRLF & _ " -H "Build: 4.6.4.459" \\" & @CRLF & _ " -H "Platform: Android" \\" & @CRLF & _ " -H "Gender: M" \\" & @CRLF & _ " -H "SearchSegment: 98" \\" & @CRLF & _ " -H "OSVersion: 10" \\" & @CRLF & _ " -H "DeviceId: b147ee89" \\" & @CRLF & _ " -H "pid: bdb5748e" \\" & @CRLF & _ " -H "sid: 5096fd6e" \\" & @CRLF & _ " -H "x-features: FEATURE1_ENABLED" \\" & @CRLF & _ " -H "Accept-Language: tr-TR" \\" & @CRLF & _ " -H "Content-Type: google.com/cool?cool1=yes&cool2=no&cool3=no" \\" & @CRLF & _ " google.com/cool?cool1=yes&cool2=no&cool3=no`" & @CRLF & _ "" & @CRLF & _ "/^((?!hede).)*$/s" & @CRLF & _ "^(?:(?!:hede).)*$" & @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