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
  • Match everything enclosed
    (?:...)
  • Capture everything enclosed
    (...)
  • 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

/
/
i

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)^[\s]*@wb_export[\s]+def ([\w]+)\(jsonstr\):[\s\S]*?"""({"in":.*)"""([\s\S]*?)((@|$)[\s\S]*)$" Local $sString = "@wb_export" & @CRLF & _ "def SimpleFunction(jsonstr):" & @CRLF & _ " #global fd" & @CRLF & _ " #os.write(fd, "wb_pre\n")" & @CRLF & _ " " & @CRLF & _ " # Definition of Input and Output Parameters (name and type)" & @CRLF & _ " """{"in": {"param":"string"}, "out": {"return":"string"}}"""" & @CRLF & _ " # /!\ Do not edit here !" & @CRLF & _ " # Edit function SimpleFunctionImpl() in "common" part" & @CRLF & _ " " & @CRLF & _ " import json,os,sys,datetime" & @CRLF & _ " inputData = json.loads(jsonstr)" & @CRLF & _ " " & @CRLF & _ " try:" & @CRLF & _ " outputData = SimpleFunctionImpl(inputData["param"])" & @CRLF & _ " fd = os.open("../log/custom_success.log", os.O_APPEND|os.O_CREAT|os.O_RDWR)" & @CRLF & _ " os.write(fd, "%s In : %s / Out : %s\n" % (datetime.datetime.now().strftime("[%Y-%m-%d %H:%M:%S.%f]"), jsonstr, json.dumps(outputData)))" & @CRLF & _ " os.close(fd)" & @CRLF & _ " return json.dumps(outputData)" & @CRLF & _ " except Exception as e:" & @CRLF & _ " fd = os.open("../log/custom_error.log", os.O_APPEND|os.O_CREAT|os.O_RDWR)" & @CRLF & _ " os.write(fd, "%s INTERNAL ERROR: Custom code uncatched exception in VCO::SimpleFunction().\n\tIn : %s\n\tMessage: %s\n" % (datetime.datetime.now().strftime("[%Y-%m-%d %H:%M:%S.%f]"), jsonstr, str(e)))" & @CRLF & _ " os.close(fd)" & @CRLF & _ " return json.dumps({"error":"INTERNAL ERROR: Custom code uncatched exception in VCO::SimpleFunction.\n\tMessage: %s" % str(e)})" & @CRLF & _ " except:" & @CRLF & _ " fd = os.open("../log/custom_error.log", os.O_APPEND|os.O_CREAT|os.O_RDWR)" & @CRLF & _ " os.write(fd, "%s INTERNAL ERROR: Custom code uncatched system exception in VCO::SimpleFunction().\n" % (datetime.datetime.now().strftime("[%Y-%m-%d %H:%M:%S.%f]")))" & @CRLF & _ " os.close(fd)" & @CRLF & _ " return json.dumps({"error":"INTERNAL ERROR: Custom code uncatched system exception in VCO::SimpleFunction()."})" & @CRLF & _ " # End of SimpleFunction - VCO WB Custom Code Editor" & @CRLF & _ "@wb_export" & @CRLF & _ "def SimpleFunction2(jsonstr):" & @CRLF & _ " #global fd" & @CRLF & _ " #os.write(fd, "wb_pre\n")" & @CRLF & _ " " & @CRLF & _ " # Definition of Input and Output Parameters (name and type)" & @CRLF & _ " """{"in": {"param":"string"}, "out": {"return":"string"}}"""" & @CRLF & _ " # /!\ Do not edit here !" & @CRLF & _ " # Edit function SimpleFunctionImpl() in "common" part" & @CRLF & _ " " & @CRLF & _ " return {"return": "OK2"}" & @CRLF & _ " " & @CRLF & _ " " & @CRLF & _ " " & @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