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)(?:ALARM[\s]*)(?:\d*)[A-Za-z\s\d\.=]*(?:Alarm\sraised\stime)\s+=\s+([\d\-]+\s[\d\:]+)\s+(?:Location\sinfo)\s+=\s+Local\sCell\sID=([\d]+)(?:,\s[a-zA-Z]+\s[A-Z]+\s[A-Z]+\s[a-zA-Z\=,]+\s[a-zA-Z\=-]+\s[a-zA-Z\=-]+\s[a-zA-Z\=-_,]+)[\s\,A-Za-z0-9=\_]*(?:eNodeB\sID=)([0-9]+)(?:,.+\s\s+.+\s+)(?:Cleared\stype)\s+=\s+([a-zA-Z ]+)(?:[\sA-Za-z\s=]*)([\d-]*\s[\d:]+)" Local $sString = "L_SAMBIL" & @CRLF & _ "+++ L_SAMBIL 2020-09-21 11:53:53" & @CRLF & _ "O&M #1502" & @CRLF & _ "%%/*1882154167*/LST ALMLOG:ALMTP=all,CLRFLG=cleared-1&uncleared-1,CLRSD=2020&09&21,CLRED=2020&09&22,STARTAID=29240,ENDAID=29240;%%" & @CRLF & _ "RETCODE = 0 Operation succeeded" & @CRLF & _ "" & @CRLF & _ "ALARM 72712 Fault Major eNodeB 29240 Signaling " & @CRLF & _ " Sync serial No. = 162656" & @CRLF & _ " Alarm name = Cell Unavailable" & @CRLF & _ " Alarm raised time = 2020-09-21 06:36:19" & @CRLF & _ " Location info = Local Cell ID=2, Cell FDD TDD indication=FDD, NB-IoT Cell Flag=FALSE, Cell Name=L_SAMBIL2, eNodeB ID=15080, Cell ID=2, Specific Problem=External link fault" & @CRLF & _ " Function = eNodeB Function Name=L_SAMBIL, objId=0" & @CRLF & _ " Cleared type = Normally cleared" & @CRLF & _ " Cleared time = 2020-09-21 06:39:42" & @CRLF & _ " Special info = RAT_INFO=L, AFFECTED_RAT=L, DID=NULL" & @CRLF & _ " Special info1 = AF_L=L_SAMBIL" & @CRLF & _ "" & @CRLF & _ "ALARM 72713 Fault Major eNodeB 29240 Signaling " & @CRLF & _ " Sync serial No. = 162655" & @CRLF & _ " Alarm name = Cell Unavailable" & @CRLF & _ " Alarm raised time = 2020-09-21 06:36:19" & @CRLF & _ " Location info = Local Cell ID=3, Cell FDD TDD indication=FDD, NB-IoT Cell Flag=FALSE, Cell Name=L_SAMBIL3, eNodeB ID=15080, Cell ID=3, Specific Problem=External link fault" & @CRLF & _ " Function = eNodeB Function Name=L_SAMBIL, objId=0" & @CRLF & _ " Cleared type = Normally cleared" & @CRLF & _ " Cleared time = 2020-09-21 06:39:41" & @CRLF & _ " Special info = RAT_INFO=L, AFFECTED_RAT=L, DID=NULL" & @CRLF & _ " Special info1 = AF_L=L_SAMBIL" & @CRLF & _ "" & @CRLF & _ "ALARM 72711 Fault Major eNodeB 29240 Signaling " & @CRLF & _ " Sync serial No. = 162654" & @CRLF & _ " Alarm name = Cell Unavailable" & @CRLF & _ " Alarm raised time = 2020-09-21 06:36:19" & @CRLF & _ " Location info = Local Cell ID=1, Cell FDD TDD indication=FDD, NB-IoT Cell Flag=FALSE, Cell Name=L_SAMBIL1, eNodeB ID=15080, Cell ID=1, Specific Problem=External link fault" & @CRLF & _ " Function = eNodeB Function Name=L_SAMBIL, objId=0" & @CRLF & _ " Cleared type = Normally cleared" & @CRLF & _ " Cleared time = 2020-09-21 06:39:41" & @CRLF & _ " Special info = RAT_INFO=L, AFFECTED_RAT=L, DID=NULL" & @CRLF & _ " Special info1 = AF_L=L_SAMBIL" & @CRLF & _ "(Number of results = 3)" & @CRLF & _ "" & @CRLF & _ "--- END" 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