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

/
/
gmsx

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 = "(?msx) # begin capture group 1" & @CRLF & _ "\{\s+"name":[ ]" # match '{' then 1+ whitespace chars, then '"name": "" & @CRLF & _ "(\w+) # match 1+ word chars, save to capture group 1" & @CRLF & _ "- # match '-'" & @CRLF & _ "(\w+) # match 1+ word chars, save to capture group 2" & @CRLF & _ "- # match '-'" & @CRLF & _ "(\w+) # match 1+ word chars, save to capture group 3" & @CRLF & _ "- # match '-'" & @CRLF & _ "(\w+) # match 1+ word chars, save to capture group 4" & @CRLF & _ "( # begin capture group 5" & @CRLF & _ " ",\s+"units":[ ] # match '",', then 1+ whitespaces then '"units": '" & @CRLF & _ " "\w+" # match 1+ word chars" & @CRLF & _ " ,\s+"value":[ ] # match ',', then 1+ whitespaces then '"value": '" & @CRLF & _ " \d+ # match 1+ digits" & @CRLF & _ " \s+\} # match 1+ whitespaces then '"units": '" & @CRLF & _ ") # end capture group 5" & @CRLF & _ " # end capture group 1" & @CRLF & _ "(?! # begin negative lookahead" & @CRLF & _ " .* # match 0+ chars" & @CRLF & _ " \{\s+"name":[ ]" # match '{' then 1+ whitespace chars then '"name": ' then '"'" & @CRLF & _ " \1_ # match contents of capture group 1 then '_'" & @CRLF & _ " \2_ # match contents of capture group 2 then '_'" & @CRLF & _ " \3_ # match contents of capture group 3 then '_'" & @CRLF & _ " \4 # match contents of capture group 4" & @CRLF & _ " \5 # match contents of capture group 5" & @CRLF & _ ") # end of negative lookahead " & @CRLF & _ "| # or" & @CRLF & _ "\{\s+"name":[ ]" # match '{' then 1+ whitespace chars, then '"name": "" & @CRLF & _ "\w+ # match 1+ word chars" & @CRLF & _ "_ # match '_'" & @CRLF & _ "\w+ # match 1+ word chars" & @CRLF & _ "_ # match '_'" & @CRLF & _ "\w+ # match 1+ word chars" & @CRLF & _ "_ # match '_'" & @CRLF & _ "\w+ # match 1+ word chars" & @CRLF & _ "(?5) # execute code constructing capture group 6" & @CRLF & _ "" Local $sString = "{" & @CRLF & _ " "body": {" & @CRLF & _ " "metricsArray": [" & @CRLF & _ " {" & @CRLF & _ " "name": "free-aa-bb2-123x123Profiles"," & @CRLF & _ " "units": "profiles"," & @CRLF & _ " "value": 14" & @CRLF & _ " }," & @CRLF & _ " {" & @CRLF & _ " "name": "free_aa_bb2_123x123Profiles"," & @CRLF & _ " "units": "profiles"," & @CRLF & _ " "value": 14" & @CRLF & _ " }" & @CRLF & _ " ]," & @CRLF & _ " "name": "regionxxx"," & @CRLF & _ " "timeStamp": "2022-01-20T04:58:29.875Z"" & @CRLF & _ " }" & @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