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.
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  • 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

/
/
igm

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 = "(?im)([\d\.]+%) identity" Local $sString = "# /data/spine/bin/external/fasta/bin/glsearch36 -b 2 -m 9i -q /tmp/temp.seq /data/spine/databases/UniProt/sprot.compact_headers.distinct.mouse" & @CRLF & _ "GLSEARCH performs a global-query/local-library search" & @CRLF & _ " version 36.3.6 Nov, 2013(preload9)" & @CRLF & _ "Query: /tmp/temp.seq" & @CRLF & _ " 1>>>seq - 299 aa" & @CRLF & _ "Library: /data/spine/databases/UniProt/sprot.compact_headers.distinct.mouse" & @CRLF & _ " 9277236 residues in 16315 sequences" & @CRLF & _ "" & @CRLF & _ "Statistics: Unscaled normal statistics: mu= -50.7059 var=2892.0306 Ztrim: 0" & @CRLF & _ " statistics sampled from 13365 (13367) to 13365 sequences" & @CRLF & _ "Algorithm: Global/Local affine Needleman-Wunsch (2007) (6.0 April 2007)" & @CRLF & _ "Parameters: BL50 matrix (15:-5), open/ext: -12/-2" & @CRLF & _ " Scan time: 11.560" & @CRLF & _ "" & @CRLF & _ "The best scores are: n-w bits E(16315) %_id %_sim alen" & @CRLF & _ "SP|P61375|LHX5_MOUSE ( 402) 1361 66.3 5.7e-148 0.685 0.868 302" & @CRLF & _ "SP|P50481|LHX3_MOUSE ( 400) 331 30.8 1e-08 0.319 0.524 307" & @CRLF & _ "" & @CRLF & _ ">>>seq, 299 aa vs /data/spine/databases/UniProt/sprot.compact_headers.distinct.mouse library" & @CRLF & _ "" & @CRLF & _ ">>SP|P61375|LHX5_MOUSE (402 aa)" & @CRLF & _ " n-w opt: 1361 Z-score: 312.5 bits: 66.3 E(16315): 5.7e-148" & @CRLF & _ "global/local score: 1361; 68.5% identity (86.8% similar) in 302 aa overlap (1-299:107-400)" & @CRLF & _ "" & @CRLF & _ " 10 20 30" & @CRLF & _ "seq YIDENKFVCKEDYLSNSSVAKENSLHSATT" & @CRLF & _ " :::::::::.::::.::. ::.::.:..." & @CRLF & _ "SP|P61 VRKARSKVFHLNCFTCMVCNKQLSTGEELYVIDENKFVCKDDYLSSSSL-KEGSLNSVSS" & @CRLF & _ " 80 90 100 110 120 130 " & @CRLF & _ "" & @CRLF & _ " 40 50 60 70 80 90" & @CRLF & _ "seq GSDPSLSPDSQDPSQDDAKDSESANVSDKEGGSNENDDQNLGAKRRGPRTTIKAKQLETL" & @CRLF & _ " .: ::::: ::: ::: :...... :::: ..:::..:: :.:::::::::::::::::" & @CRLF & _ "SP|P61 CTDRSLSPDLQDPLQDDPKETDNSTSSDKETANNENEEQNSGTKRRGPRTTIKAKQLETL" & @CRLF & _ " 140 150 160 170 180 190 " & @CRLF & _ "" & @CRLF & _ " 100 110 120 130 140 150" & @CRLF & _ "seq KAAFAATPKPTRHIREQLAQETGLNMRVIQVWFQNRRSKERRMKQLSALGARRHAFFRSP" & @CRLF & _ " ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::" & @CRLF & _ "SP|P61 KAAFAATPKPTRHIREQLAQETGLNMRVIQVWFQNRRSKERRMKQLSALGARRHAFFRSP" & @CRLF & _ " 200 210 220 230 240 250 " & @CRLF & _ "" & @CRLF & _ " 160 170 180 190 200 210" & @CRLF & _ "seq RRMRPLVDRLEPGELIPNGPFSFYGDYQSEYYGPGGNYDFFPQGPPSSQAQTPVDLPFVP" & @CRLF & _ " :::::: ::. .:.. . :...::::::.::.:::::::: .:::: :::.:.: :. " & @CRLF & _ "SP|P61 RRMRPLGGRLDESEMLGSTPYTYYGDYQSDYYAPGGNYDFFAHGPPS-QAQSPADSSFLA" & @CRLF & _ " 260 270 280 290 300 310 " & @CRLF & _ "" & @CRLF & _ " 220 230 240 250 260 " & @CRLF & _ "seq SSGPSGTPLGGLDHPLPGHHPSSEAQRFTDILAHPPGDSPSPEPSLPGPLHSMSAEVF--" & @CRLF & _ " .:::..::::.:. :: : : ... ::::...:: :.:::::.::: :: : .::: " & @CRLF & _ "SP|P61 ASGPGSTPLGALEPPLAGPH-GADNPRFTDMISHP--DTPSPEPGLPGALHPMPGEVFSG" & @CRLF & _ " 320 330 340 350 360 370 " & @CRLF & _ "" & @CRLF & _ " 270 280 290 " & @CRLF & _ "seq GPSPPFSSLSVNGGASYGNHLSHP-PEMNEAA " & @CRLF & _ " :::::: ..: ..:.. :::: ::.:::: " & @CRLF & _ "SP|P61 GPSPPFP---MSGTSGYSGPLSHPNPELNEAAVW" & @CRLF & _ " 380 390 400 " & @CRLF & _ "" & @CRLF & _ ">>SP|P50481|LHX3_MOUSE (400 aa)" & @CRLF & _ " n-w opt: 331 Z-score: 121.0 bits: 30.8 E(16315): 1e-08" & @CRLF & _ "global/local score: 331; 31.9% identity (52.4% similar) in 307 aa overlap (1-299:99-365)" & @CRLF & _ "" & @CRLF & _ " 10 20 " & @CRLF & _ "seq YIDENKFVCK-EDYLSN-SSVAKENSLHSA" & @CRLF & _ " : .. : . .:.. . : .. " & @CRLF & _ "SP|P50 AERCFSRGESVYCKDDFFKRFGTKCAACQLGIPPTQVVRRAQDFVYHLHCFACVVCKRQL" & @CRLF & _ " 70 80 90 100 110 120 " & @CRLF & _ "" & @CRLF & _ " 30 40 50 60 70 80 " & @CRLF & _ "seq TTGSDPSLSPDSQDPSQDDAKDSESANVSDKEGGSNENDDQNLGAKRRGPRTTIKAKQLE" & @CRLF & _ " .::.. : ::. . : :.:. . :. ::: ::::: :::::" & @CRLF & _ "SP|P50 ATGDEFYLMEDSRLVCK---ADYETAKQREAEAT----------AKR--PRTTITAKQLE" & @CRLF & _ " 130 140 150 160 170 " & @CRLF & _ "" & @CRLF & _ " 90 100 110 120 130 140 " & @CRLF & _ "seq TLKAAFAATPKPTRHIREQLAQETGLNMRVIQVWFQNRRSKERRMKQLSALGARRHAFFR" & @CRLF & _ " :::.:. ..:::.::.::::..::::.:::.::::::::.::.:.:. .: : .::" & @CRLF & _ "SP|P50 TLKSAYNTSPKPARHVREQLSSETGLDMRVVQVWFQNRRAKEKRLKK-DAGRQRWGQYFR" & @CRLF & _ " 180 190 200 210 220 230 " & @CRLF & _ "" & @CRLF & _ " 150 160 170 180 190 200 " & @CRLF & _ "seq SPRRMRPLVDRLEPGELIPNGPFSFYGDYQSEYYGPGGNYDFFPQGPPSSQAQTPVDLPF" & @CRLF & _ " . .: : : .: .: : .. . :: . :.. ." & @CRLF & _ "SP|P50 NMKRSRG----------------SSKSDKDSIQEGQDSDAEVSFTDEPSMADMGPANGLY" & @CRLF & _ " 240 250 260 270 " & @CRLF & _ "" & @CRLF & _ " 210 220 230 240 250 260 " & @CRLF & _ "seq VPSSGPS---GTPLGGLDHPLPGHHPSSEAQRFTDILAHPP-GDSPSPEP--SLPGPLHS" & @CRLF & _ " . :. : :.::: : . ... .. : : ::: ::::: " & @CRLF & _ "SP|P50 SSLGEPAPALGRPVGGLGSFTLDHGGLTGPEQYRELRPGSPYGIPPSPAAPQSLPGPQPL" & @CRLF & _ " 280 290 300 310 320 330 " & @CRLF & _ "" & @CRLF & _ " 270 280 290 " & @CRLF & _ "seq MSAEVFGPSPPFSSLSVNGGASYGNHLSHPPEMNEAA " & @CRLF & _ " .:. :. : ..::. .. :. :: : : " & @CRLF & _ "SP|P50 LSSLVY----PDTNLSLVPSGPPGG----PPPMRVLAGNGPSSDLSTESSSGYPDFPASP" & @CRLF & _ " 340 350 360 370 380 " & @CRLF & _ "" & @CRLF & _ "SP|P50 ASWLDEVDHAQF" & @CRLF & _ " 390 400" & @CRLF & _ "" & @CRLF & _ "" & @CRLF & _ ">>>///" & @CRLF & _ "" & @CRLF & _ "299 residues in 1 query sequences" & @CRLF & _ "9277236 residues in 16315 library sequences" & @CRLF & _ " Tcomplib [36.3.6 Nov, 2013(preload9)] (8 proc in memory [0G])" & @CRLF & _ " start: Thu Sep 3 20:44:48 2015 done: Thu Sep 3 20:44:55 2015" & @CRLF & _ " Total Scan time: 11.560 Total Display time: 0.010" & @CRLF & _ "" & @CRLF & _ "Function used was GLSEARCH [36.3.6 Nov, 2013(preload9)]" 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