Regular Expressions 101

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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 = "(https?\:\/\/(?:[[:alnum:]]+\.)?[[:alnum:]]+\.(?:com|net|org)\/\S*)|(https?\:\/\/(?:\d{1,3}\.){3}\d{1,3}\/?(?:\:\d{0,6})?\/?)" Local $sString = "Screen 0: minimum 320 x 200, current 3520 x 1080, maximum 8192 x 8192" & @CRLF & _ "VGA-0 connected 1600x900+1920+180 (normal left inverted right x axis y axis) 443mm x 249mm" & @CRLF & _ " 1600x900 60.00*+ 75.00 " & @CRLF & _ " 1280x1024 75.02 70.00 60.02 " & @CRLF & _ " 1440x900 59.89 " & @CRLF & _ " 1280x800 59.81 " & @CRLF & _ " 1152x864 75.00 " & @CRLF & _ " 1280x720 59.97 " & @CRLF & _ " 1024x768 75.08 70.07 60.00 " & @CRLF & _ " 832x624 74.55 " & @CRLF & _ " 800x600 72.19 75.00 60.32 56.25 " & @CRLF & _ " 640x480 75.00 72.81 60.00 " & @CRLF & _ " 720x400 70.08 " & @CRLF & _ "LVDS connected (normal left inverted right x axis y axis)" & @CRLF & _ " 1366x768 59.97 +" & @CRLF & _ " 1280x720 59.86 " & @CRLF & _ " 1152x768 59.78 " & @CRLF & _ " 1024x768 59.92 " & @CRLF & _ " 800x600 59.86 " & @CRLF & _ " 848x480 59.66 " & @CRLF & _ " 720x480 59.71 " & @CRLF & _ " 640x480 59.38 " & @CRLF & _ "HDMI-0 connected primary 1920x1080+0+0 (normal left inverted right x axis y axis) 1150mm x 650mm" & @CRLF & _ " 1360x768 60.02 +" & @CRLF & _ " 1920x1080 60.00* 59.94 30.00 24.00 29.97 23.98 " & @CRLF & _ " 1920x1080i 60.00 59.94 " & @CRLF & _ " 1280x1024 60.02 " & @CRLF & _ " 1280x720 60.00 59.94 " & @CRLF & _ " 1024x768 60.00 " & @CRLF & _ " 800x600 60.32 " & @CRLF & _ " 720x480 60.00 59.94 " & @CRLF & _ " 640x480 60.00 59.94 59.94 " & @CRLF & _ " 720x400 70.08 " & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "https://www.example.com/foo/?bar=baz&inga=42&quux" & @CRLF & _ "http://✪df.ws/123" & @CRLF & _ "http://userid:password@example.com:8080" & @CRLF & _ "http://userid:password@example.com:8080/" & @CRLF & _ "http://userid@example.com" & @CRLF & _ "http://userid@example.com/" & @CRLF & _ "http://userid@example.com:8080" & @CRLF & _ "http://userid@example.com:8080/" & @CRLF & _ "http://userid:password@example.com" & @CRLF & _ "http://userid:password@example.com/" & @CRLF & _ "http://142.42.1.1/" & @CRLF & _ "http://142.42.1.1:8080/" & @CRLF & _ "http://➡.ws/䨹" & @CRLF & _ "http://⌘.ws" & @CRLF & _ "http://⌘.ws/" & @CRLF & _ "http://foo.com/blah_(wikipedia)#cite-1" & @CRLF & _ "http://foo.com/blah_(wikipedia)_blah#cite-1" & @CRLF & _ "http://foo.com/unicode_(✪)_in_parens" & @CRLF & _ "http://foo.com/(something)?after=parens" & @CRLF & _ "http://☺.damowmow.com/" & @CRLF & _ "http://code.google.com/events/#&product=browser" & @CRLF & _ "http://j.mp" & @CRLF & _ "ftp://foo.com/baz" & @CRLF & _ "http://foo.bar/?q=Test%20URL-encoded%20stuff" & @CRLF & _ "http://مثال.إختبار" & @CRLF & _ "http://例子.测试" & @CRLF & _ "http://उदाहरण.परीक्षा" & @CRLF & _ "http://-.~_!$&'()*+,;=:%40:80%2f::::::@example.com" & @CRLF & _ "http://1337.net" & @CRLF & _ "http://a.b-c.de" & @CRLF & _ "http://223.255.255.254" & @CRLF & _ "" & @CRLF & _ "SHOULD NOT MATCH:" & @CRLF & _ "" & @CRLF & _ "http://" & @CRLF & _ "http://." & @CRLF & _ "http://.." & @CRLF & _ "http://../" & @CRLF & _ "http://?" & @CRLF & _ "http://??" & @CRLF & _ "http://??/" & @CRLF & _ "http://#" & @CRLF & _ "http://##" & @CRLF & _ "http://##/" & @CRLF & _ "http://foo.bar?q=Spaces should be encoded" & @CRLF & _ "//" & @CRLF & _ "//a" & @CRLF & _ "///a" & @CRLF & _ "///" & @CRLF & _ "http:///a" & @CRLF & _ "foo.com" & @CRLF & _ "rdar://1234" & @CRLF & _ "h://test" & @CRLF & _ "http:// shouldfail.com" & @CRLF & _ ":// should fail" & @CRLF & _ "http://foo.bar/foo(bar)baz quux" & @CRLF & _ "ftps://foo.bar/" & @CRLF & _ "http://-error-.invalid/" & @CRLF & _ "http://a.b--c.de/" & @CRLF & _ "http://-a.b.co" & @CRLF & _ "http://a.b-.co" & @CRLF & _ "http://0.0.0.0 " & @CRLF & _ "http://10.1.1.0" & @CRLF & _ "http://10.1.1.255" & @CRLF & _ "http://224.1.1.1" & @CRLF & _ "http://1.1.1.1.1" & @CRLF & _ "http://123.123.123" & @CRLF & _ "http://3628126748" & @CRLF & _ "http://.www.foo.bar/" & @CRLF & _ "http://www.foo.bar./" & @CRLF & _ "http://.www.foo.bar./" & @CRLF & _ "http://10.1.1.1" & @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