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

r"
"
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)^\*\*INS(?!Y\*G8).*(?:\n(?!\*\*(?:INS|DMG)).*)*\n\*\*DMG.*" Local $sString = "INS*Y*G8*030**A***AC~" & @CRLF & _ "REF*0F*XXXXXXXX~" & @CRLF & _ "NM1*IL*1*JWHWWWW*TWDD****34*XXXXXXXXX~" & @CRLF & _ "N3*45874 WHYYWYW WTWYXW~" & @CRLF & _ "N4*DYXWHXVYW*NY*88980~" & @CRLF & _ "DMG*D8*19700101*M~" & @CRLF & _ "**INS*Y*01*030**A***AC~**" & @CRLF & _ "REF*0F*XXXXXXXXX~" & @CRLF & _ "NM1*IL*1*JWHWWWW*RRWTW****34*XXXXXXXXX~" & @CRLF & _ "PER*IP**TE*XXXXXXXXX*AP*XXXXXXXXX~" & @CRLF & _ "N3*45874 WHYYWYW WTWYXW~" & @CRLF & _ "N4*DYXWHXVYW*NY*88980~" & @CRLF & _ "**DMG*D8*20000101*F~**" & @CRLF & _ "**INS*Y*19*030**A***AC~**" & @CRLF & _ "REF*0F*XXXXXXXXX~" & @CRLF & _ "NM1*IL*1*JWHWWWW*GGDFS****34*XXXXXXXXX~" & @CRLF & _ "PER*IP**TE*XXXXXXXXX*AP*XXXXXXXXX~" & @CRLF & _ "N3*45874 WHYYWYW WTWYXW~" & @CRLF & _ "N4*DYXWHXVYW*NY*88980~" & @CRLF & _ "**DMG*D8*20000101*F~**" & @CRLF & _ "AMT*D2*100~" & @CRLF & _ "AMT*FK*100~" & @CRLF & _ "AMT*R*50~" & @CRLF & _ "AMT*C1*30~" & @CRLF & _ "AMT*P3*31~" & @CRLF & _ "AMT*B9*32~" & @CRLF & _ "NM1*31*1~" & @CRLF & _ "N3*45874 WHYYWYW WTWYXW~" & @CRLF & _ "N4*DYXWHXVYW*NY*88980~" 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