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 = "(?xms)" & @CRLF & _ "( # group 1" & @CRLF & _ " \b explore:" & @CRLF & _ " [^\S\r\n]* # optional horizontal whitespaces" & @CRLF & _ " [^\n{]* # possible content of the same line" & @CRLF & _ " # followed by two possibilities" & @CRLF & _ " (?: # the content stops at the end of the line with a ;" & @CRLF & _ " ; [^\S\r\n]* $" & @CRLF & _ " | # or it contains curly brackets and spreads over eventually multiple lines" & @CRLF & _ " ( # group 2" & @CRLF & _ " {" & @CRLF & _ " [^{}"]*+ # all that isn't curly brackets nor double quotes" & @CRLF & _ " (?:" & @CRLF & _ " " [^\\"]*+ (?: \\. [^\\"]* )*+ " # contents between quotes" & @CRLF & _ " [^{}"]*" & @CRLF & _ "" & @CRLF & _ " |" & @CRLF & _ " (?2) # nested curly brackets, recursion in the group 2" & @CRLF & _ " [^{}"]*" & @CRLF & _ " )*+" & @CRLF & _ " }" & @CRLF & _ " )" & @CRLF & _ " )" & @CRLF & _ ")" Local $sString = "explore: character_balance {}" & @CRLF & _ "explore: tower_ends {" & @CRLF & _ " label: "Tower Results"" & @CRLF & _ " join: activity_type {" & @CRLF & _ " relationship: many_to_one" & @CRLF & _ " type: inner" & @CRLF & _ " sql_on: ${activity_type.activity_name}=${wba_fact_activity.activity_name} ;;" & @CRLF & _ " }" & @CRLF & _ "}" & @CRLF & _ "explore: seven11_core_session_start {}" 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