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
Processing...

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 = "(?i)((anticorpi|ac|ciroza).*?)?(hepatita (cr(onica)? )?(.*?))?(vh|hv|virus )([bcd])(.*?(vh|hv|virus )([bcd]))?" Local $sString = "HEPATITA CRONICA CU VHC" & @CRLF & _ "HEPATITA CRONICA - VHC" & @CRLF & _ "HEPATITA CRONICA DE ETIOLOGIE MIXTA NUTRITIONALA SI VHC" & @CRLF & _ "HEPATITA CRONICA CU VHC." & @CRLF & _ "HEPATITA CRONICA CU VHC." & @CRLF & _ "HEPATITA CRONICA CU VHC" & @CRLF & _ "HEPATITA CRONICA - VHB" & @CRLF & _ "HEPATITA CRONICA CU VIRUS C" & @CRLF & _ "HEPATITA CRONICA" & @CRLF & _ "HEPATITA CRONICA CU VHB" & @CRLF & _ "HEPATITA CRONICA MEDICAMENTOASA." & @CRLF & _ "HEPATITA DE ETIOLOGIE POSIBIL VIRALA IN APP" & @CRLF & _ "HEPATITA VIRUS C" & @CRLF & _ "HEPATITA CRONICA CU VHB" & @CRLF & _ "HEPATITA CRONICA CU VHC " & @CRLF & _ "Hepatita cr cu virus B" & @CRLF & _ "HEPATITA VIRUS C" & @CRLF & _ "HEPATITA VIRALA (VHA-####) " & @CRLF & _ "HEPATITA CRONICA VHB" & @CRLF & _ "HEPATITA CRONICA CU VHC" & @CRLF & _ "HEPATITA CRONICA- VHB" & @CRLF & _ "HEPATITA CRONICA CU VHC " & @CRLF & _ "HEPATITA CRONICA CU VHC(####)" & @CRLF & _ "HEPATITA CRONICA DE ETIOLOGIE NEPRECIZATA " & @CRLF & _ "HEPATITA CRONICA CU VHB" & @CRLF & _ "HEPATITA CRONICA VHC" & @CRLF & _ "HEPATITA CRONICA VIRALA CU VHC" & @CRLF & _ "HEPATITA VIRALA -VHC " & @CRLF & _ "HEPATITA CRONICA CU VHC" & @CRLF & _ "Hepatita cronica cu virus B" & @CRLF & _ "HEPATITA CRONICA CU VHB +VHC" & @CRLF & _ "HEPATITA CRONICA VHB+VHC " & @CRLF & _ "HEPATITA VIRALA C " & @CRLF & _ "HEPATITA CRONICA CU VHC " & @CRLF & _ "HEPATITA CRONICA CU VHB" & @CRLF & _ "HEPATITA CRONICA VHB+VHC" & @CRLF & _ "HEPATITA CRONICA CU VHB " & @CRLF & _ "HEPATITA B" & @CRLF & _ "Hepatita cronica." & @CRLF & _ "HEPATITA CRONICA CU VHB" & @CRLF & _ "CIROZA HEPATICA SECUNDARA INFECTIEI CU VHB SI VHD " & @CRLF & _ "CIROZA HEPATICA VHB +VHD" & @CRLF & _ "CIROZA HEPATICA SECUNDARA INFECTIEI CU VHB SI VHD" & @CRLF & _ "HVB, HVC " & @CRLF & _ "HVB+ HVC " & @CRLF & _ "HVC + HVB " & @CRLF & _ "HEPATITA CU HVC " & @CRLF & _ "HEPATITA CRONICA HVC " & @CRLF & _ "HEPATITA CU HVC " & @CRLF & _ "CIROZA HEPATICA -HVC CHILD A" & @CRLF & _ "Ac AntiHVC +, HEPATOSPLENOMEGALIE" & @CRLF & _ "HEPATITA CU HVC " & @CRLF & _ "HEPATITA CRONICA HVC" & @CRLF & _ "ANTICORPI ANTI-HVC+" & @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