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
Processing...

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 $sRegex = "(?:\n[\h]*@|^[\h]*@)\K([0-9]+)(?=[\s]*\n|[\s]*$)|(?<=[\h\n,]@)([0-9]+)(?=[\h\n,.-]|$)|(?<=[\s,]@|^@)\K([a-zA-ZæøåÆØÅ_0-9]*[a-zA-ZæøåÆØÅ_]+[a-zA-ZæøåÆØÅ_0-9]*+)(?=[\s,]|[-.,:]*[\s]|[-.,:]*$)" Local $sString = " @ab." & @CRLF & _ "# ^ match at start of string" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "# GROUP 1" & @CRLF & _ "@0123456789" & @CRLF & _ "@9412334" & @CRLF & _ " @00000 " & @CRLF & _ "@999" & @CRLF & _ " @123" & @CRLF & _ " @123" & @CRLF & _ "" & @CRLF & _ "# GROUP 2" & @CRLF & _ ",@123" & @CRLF & _ "@123,@123,@123" & @CRLF & _ "asdasd,@4782,asdada" & @CRLF & _ "@31, @2312, @1231" & @CRLF & _ "@123 @123 @1234567890" & @CRLF & _ "@123.-, " & @CRLF & _ "@123." & @CRLF & _ "" & @CRLF & _ "# GROUP 3" & @CRLF & _ "@abdefghijklmnopqrstuæøå" & @CRLF & _ "@ABCDEFGÆØÅ" & @CRLF & _ "@123abc" & @CRLF & _ "@abc123" & @CRLF & _ "@123abc123" & @CRLF & _ "@abc." & @CRLF & _ "@abc-" & @CRLF & _ "@abc:" & @CRLF & _ "" & @CRLF & _ "# NO MATCH" & @CRLF & _ "@" & @CRLF & _ ".@412" & @CRLF & _ "-@634" & @CRLF & _ "@5234;" & @CRLF & _ "@4234@" & @CRLF & _ "@@1231" & @CRLF & _ "test@example.com" & @CRLF & _ "test@example" & @CRLF & _ "@asd@asd" & @CRLF & _ "asd@as-_d" & @CRLF & _ "@asd.@asd.@asd" & @CRLF & _ "@asd-d " & @CRLF & _ "@ads.com" & @CRLF & _ "@ads-_" & @CRLF & _ "@asd^" & @CRLF & _ "@asdf" & @CRLF & _ "" & @CRLF & _ "Loreæøåm ipasdæøåsumæø dolor sit amet, consectetur adipisicing elit, sed do eiusmod @1234567890 @1 @0 tempor incididunt ut labore @1æøåÆØÅ123et0 dolore magna aliqua. Ut enim ad minim @veniam, @quis @nostrud @123 exercitation ullamco laboris nisi ut aliquip ex ea @commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit æøå esse cillum dolore @asd,@asd,@asd eu fugiat nulla test@example.com pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum. " & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "# v Match at end of string" & @CRLF & _ "@ab." 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