Regular Expressions 101

Save & Share

  • Regex Version: ver. 3
  • 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

/
/
gi

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 = "(?i)([ns]?(?: ?[+-]?\d+(?:\.\d+)?[°´’'"d:]?){1,3} ?[ns]?) ?,? ?([ew]?(?: ?[+-]?\d+(?:\.\d+)?[°´’'"d:]?){1,3} ?[ew]?)" Local $sString = "N 45° 55.732 W 122° 29.882" & @CRLF & _ "N 047° 38.938', W 122° 20.887'" & @CRLF & _ "40.123, -74.123" & @CRLF & _ "40.123° N 74.123° W" & @CRLF & _ "40° 7´ 22.8" N 74° 7´ 22.8" W" & @CRLF & _ "40° 7.38’ , -74° 7.38’" & @CRLF & _ "N40°7’22.8, W74°7’22.8"" & @CRLF & _ "40°7’22.8"N, 74°7’22.8"W" & @CRLF & _ "40 7 22.8, -74 7 22.8" & @CRLF & _ "40.123 -74.123" & @CRLF & _ "40.123°,-74.123°" & @CRLF & _ "144442800, -266842800" & @CRLF & _ "40.123N74.123W" & @CRLF & _ "4007.38N7407.38W" & @CRLF & _ "40°7’22.8"N, 74°7’22.8"W" & @CRLF & _ "400722.8N740722.8W" & @CRLF & _ "N 40 7.38 W 74 7.38" & @CRLF & _ "40:7:23N,74:7:23W" & @CRLF & _ "40:7:22.8N 74:7:22.8W" & @CRLF & _ "40°7’23"N 74°7’23"W" & @CRLF & _ "40°7’23" -74°7’23"" & @CRLF & _ "40d 7’ 23" N 74d 7’ 23" W" & @CRLF & _ "40.123N 74.123W" & @CRLF & _ "40° 7.38, -74° 7.38" 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