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

/
/
gm

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 $sRegex = "(?m)\b[a-zA-Z1-9]((([]!#$%^&*()])(?!\g<-1>))|[a-zA-Z1-9]){0,63}((?<![]!#$%^&*()])@)(\w+\.)+(com|net|gov|mil|org|edu)\b" Local $sString = "(850)867-5309" & @CRLF & _ "850-867-5309 " & @CRLF & _ "(850_867_5309)" & @CRLF & _ "850.867.5309" & @CRLF & _ "[Hello]" & @CRLF & _ "C:\windows\system32" & @CRLF & _ "!MrColdsnow@jimbob.steve.com" & @CRLF & _ "BaconTaters@osu.edu" & @CRLF & _ "1.2.3.4" & @CRLF & _ "11.22.33.44" & @CRLF & _ "111.222.111.222" & @CRLF & _ "192.168.0.5" & @CRLF & _ "1234.1234.1234.1234" & @CRLF & _ "956.458.875.259" & @CRLF & _ "..." & @CRLF & _ "123-45-6789" & @CRLF & _ "ABB" & @CRLF & _ "ABAB" & @CRLF & _ "The quick brown dog jumped over the lazy programmer." & @CRLF & _ "There are fifty states in the United States." & @CRLF & _ "Breathe because RegEx is easy." & @CRLF & _ "42 ( Answer to the Ultimate Question of Life, the Universe, and Everything )" & @CRLF & _ "73 (the best number) ( 7 is the 4th prime number and 3 is the 2nd prime number (42) )" & @CRLF & _ " (not to mention, 73 is the 21st prime number and 37 is the 12th (both numbers mirrored) and" & @CRLF & _ " 73 in binary is 1001001 (a palindrome) )" & @CRLF & _ "bat cat hat rat brat chat" & @CRLF & _ "eat fat gat lat mat oat pat sat vat " & @CRLF & _ "my dog likes a good hotdog" & @CRLF & _ "dogs like hotdogs but not our "person" dogma" & @CRLF & _ "dog" & @CRLF & _ "2dog" & @CRLF & _ "snoop2dog" & @CRLF & _ "10" & @CRLF & _ "150" & @CRLF & _ "345" & @CRLF & _ "14" & @CRLF & _ "0789" & @CRLF & _ "7980" & @CRLF & _ "ICMP echo request" & @CRLF & _ "ICMP echo reply" & @CRLF & _ "deed peep noon Otto Abba" & @CRLF & _ "level kayak madam radar refer civic" & @CRLF & _ "redder revver" & @CRLF & _ "racecar rotator deified repaper reviver" & @CRLF & _ "List of trucks that are better than the F150:" & @CRLF & _ "1. GMC Sierra" & @CRLF & _ "2. Chevy Silverado" & @CRLF & _ "3. Toyota Tundra" & @CRLF & _ "4. Nissan Titan" & @CRLF & _ "5. Toyota Tacoma" & @CRLF & _ "6. GMC Canyon" & @CRLF & _ "7. Nissan Frontier" & @CRLF & _ "8. Jeep Gladiator" & @CRLF & _ "9. Honda Ridgeline" & @CRLF & _ "10. Chevy Cavalier" & @CRLF & _ "moose mouse mooooose m3se" & @CRLF & _ "Mississippi" 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