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
No Match

/
/
sxg

Test String

Substitution

Processing...

Code Generator

Language

Generated Code

#include <MsgBoxConstants.au3> ; to declare the Constants of MsgBox Local $sRegex = "(?sx)(?: ([^";\r\n]*) #1 value without quotes or" & @CRLF & _ " | \x20* ("(?:[^"]+|"")*") \x20* #2 value inside quotes" & @CRLF & _ ")" & @CRLF & _ "(?: (;) #3 values delimiter or" & @CRLF & _ " | [\r\n]+ # rows delimiter" & @CRLF & _ ")" Local $sString = "501 ; 8300000000000 ; ";Автономный ;"";округ""" & @CRLF & _ " ""Ненецкий"";";test1" & @CRLF & _ " 751;8600800000000; " Автономный округ ""Ханты-Мансийский"", Район Советский" ;" & @CRLF & _ " 1755;8700300000000;Автономный округ Чукотский, Район Билибинский" & @CRLF & _ " 1725;7501900000000;Край Забайкальский, Район Петровск-Забайкальский" & @CRLF & _ "" & @CRLF & _ " ;;" & @CRLF & _ " 711;2302100000000;Край Краснодарский, Район Лабинский" & @CRLF & _ " 729;2401600000000;Край Красноярский, Район Иланский" & @CRLF & _ " 765;2700700000000;Край Хабаровский, Район Вяземский" Local $sSubst = "\1\2\x01\3\x02" Local $sResult = StringRegExpReplace($sString, $sRegex, $sSubst) MsgBox($MB_SYSTEMMODAL, "Result", $sResult)

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