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

/
/
gx

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 = "(?x) (?(DEFINE)" & @CRLF & _ " (?<sep> [ -]?)" & @CRLF & _ " )" & @CRLF & _ " (?<!\d)(?:" & @CRLF & _ " \d{4} (?&sep) \d{4} (?&sep) \d{4} (?&sep) \d{4} # 16 digits" & @CRLF & _ " | \d{3} (?&sep) \d{3} (?&sep) \d{3} (?&sep) \d (?&sep) \d{3} # 13 digits" & @CRLF & _ " | \d{4} (?&sep) \d{6} (?&sep) \d{4} # 14 digits" & @CRLF & _ " | \d{4} (?&sep) \d{6} (?&sep) \d{5} # 15 digit card" & @CRLF & _ " )(?!\d)" Local $sString = "4111111111111111" & @CRLF & _ "4111 1111 1111 1111" & @CRLF & _ "4111-1111-1111-1111" & @CRLF & _ "" & @CRLF & _ "American Express" & @CRLF & _ "" & @CRLF & _ "378282246310005" & @CRLF & _ "" & @CRLF & _ "American Express" & @CRLF & _ "" & @CRLF & _ "371449635398431" & @CRLF & _ "" & @CRLF & _ "American Express Corporate" & @CRLF & _ "" & @CRLF & _ "378734493671000" & @CRLF & _ "" & @CRLF & _ "Australian BankCard" & @CRLF & _ "" & @CRLF & _ "5610591081018250" & @CRLF & _ "" & @CRLF & _ "Diners Club" & @CRLF & _ "" & @CRLF & _ "30569309025904" & @CRLF & _ "" & @CRLF & _ "Diners Club" & @CRLF & _ "" & @CRLF & _ "38520000023237" & @CRLF & _ "" & @CRLF & _ "Discover" & @CRLF & _ "" & @CRLF & _ "6011111111111117" & @CRLF & _ "" & @CRLF & _ "Discover" & @CRLF & _ "" & @CRLF & _ "6011000990139424" & @CRLF & _ "" & @CRLF & _ "JCB" & @CRLF & _ "" & @CRLF & _ "3530111333300000" & @CRLF & _ "" & @CRLF & _ "JCB" & @CRLF & _ "" & @CRLF & _ "3566002020360505" & @CRLF & _ "" & @CRLF & _ "MasterCard" & @CRLF & _ "" & @CRLF & _ "5555555555554444" & @CRLF & _ "" & @CRLF & _ "MasterCard" & @CRLF & _ "" & @CRLF & _ "5105105105105100" & @CRLF & _ "" & @CRLF & _ "Visa" & @CRLF & _ "" & @CRLF & _ "4111111111111111" & @CRLF & _ "" & @CRLF & _ "Visa" & @CRLF & _ "" & @CRLF & _ "4012888888881881" & @CRLF & _ "" & @CRLF & _ "Visa" & @CRLF & _ "" & @CRLF & _ "4222222222222" & @CRLF & _ "" & @CRLF & _ "Note : Even though this number has a different character count than the other test numbers, it is the correct and functional number." & @CRLF & _ "" & @CRLF & _ "Processor-specific Cards" & @CRLF & _ "" & @CRLF & _ "Dankort (PBS)" & @CRLF & _ "" & @CRLF & _ "76009244561" & @CRLF & _ "" & @CRLF & _ "Dankort (PBS)" & @CRLF & _ "" & @CRLF & _ "5019717010103742" & @CRLF & _ "" & @CRLF & _ "Switch/Solo (Paymentech)" & @CRLF & _ "" & @CRLF & _ "6331101999990016" & @CRLF & _ "" & @CRLF & _ " Visa" & @CRLF & _ "" & @CRLF & _ "4929208147724685" & @CRLF & _ "4539261278252432" & @CRLF & _ "4916790209546242" & @CRLF & _ "4556229836495866" & @CRLF & _ "4556624948936262" & @CRLF & _ " Mastercard" & @CRLF & _ "" & @CRLF & _ "5527513721190671" & @CRLF & _ "5427136938547169" & @CRLF & _ "5501820872619287" & @CRLF & _ "5106667846492187" & @CRLF & _ "5348965176175440" & @CRLF & _ " Discover" & @CRLF & _ "" & @CRLF & _ "6011692621234093" & @CRLF & _ "6011505674384294" & @CRLF & _ "6011686367026051" & @CRLF & _ "6011805238158246" & @CRLF & _ "6011056229327552" & @CRLF & _ " American Express" & @CRLF & _ "" & @CRLF & _ "370831029267044" & @CRLF & _ "345838860105292" & @CRLF & _ "346823285239073" & @CRLF & _ "370750517718351" & @CRLF & _ "340533441239380" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ "PHONE NUMBERS:" & @CRLF & _ "" & @CRLF & _ "Local (Canada)" & @CRLF & _ "613-555-0104" & @CRLF & _ "613-555-0141" & @CRLF & _ "613-555-0159" & @CRLF & _ "613-555-0130" & @CRLF & _ "613-555-0163" & @CRLF & _ "613-555-0137" & @CRLF & _ "International (Canada)" & @CRLF & _ "+1-613-555-0104" & @CRLF & _ "+1-613-555-0141" & @CRLF & _ "+1-613-555-0159" & @CRLF & _ "+1-613-555-0130" & @CRLF & _ "+1-613-555-0163" & @CRLF & _ "+1-613-555-0137" 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