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

/
/
im

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 = "(?im)(http:\/\/dx.doi.org\/10|10| DOI: 10|DOI:10).\d{4,9}\/[-._;()\/:0-9]+" Local $sString = "Small Group Research2014, Vol. 45(6) 671 Œ703© The Author(s) 2014Reprints and permissions:sagepub.com/journalsPermissions.nav DOI: 10.1177/1046496414552285sgr.sagepub.comArticleA Conceptual Review of Emergent State " & @CRLF & _ "Measurement: Current " & @CRLF & _ "Problems, Future " & @CRLF & _ "SolutionsChris W. Coultas1, Tripp Driskell2, C. Shawn Burke1, and Eduardo Salas1AbstractTeam research increasingly incorporates emergent states as an integral " & @CRLF & _ "mediator between team inputs and outcomes. In conjunction with this, we " & @CRLF & _ "" & @CRLF & _ "have witnessed a proliferation and fragmentation of measurement techniques " & @CRLF & _ "" & @CRLF & _ "associated with emergent states. This inconsistency in measurement presents " & @CRLF & _ "a problem for scientists and practitioners alike. For the scientist, it becomes " & @CRLF & _ "difficult to better understand the nature and effects of various emergent " & @CRLF & _ "" & @CRLF & _ "states on team processes and outcomes. For the practitioner, it complicates " & @CRLF & _ "the process of measurement development, selection, and implementation. " & @CRLF & _ "To address these issues, we review the literature on emergent states focusing " & @CRLF & _ "on various measurement strategies, to better unpack best practices. In so " & @CRLF & _ "doing, we highlight existing research that suggests innovative solutions to the " & @CRLF & _ "conceptual, methodological, and logistical problems that consistently plague " & @CRLF & _ "emergent state research. Our aim is to enhance emergent state theory by " & @CRLF & _ "applying psychometric principles to the measurement techniques associated " & @CRLF & _ "with them.1University of Central Florida, Orlando, USA2The Florida Maxima Corporation, Orlando, USACorresponding Author:Chris W. Coultas, University of Central Florida, 4000 Central Florida Blvd., Psychology Bldg. " & @CRLF & _ "99, Ste. 320, Orlando, FL 32816, USA. " & @CRLF & _ "Email: ccoultas@ist.ucf.eduThis article is part of the special issue: 2014 Annual Review Issue, Small Group Research, Volume 45(6).552285SGRXXX10.1177/1046496414552285" & @CRLF & _ "Small Group ResearchCoultas et al.research-article" & @CRLF & _ "2014" & @CRLF & _ "" Local $aArray = StringRegExp($sString, $sRegex, $STR_REGEXPARRAYFULLMATCH) ; Present the entire match result _ArrayDisplay($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