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

/
/
gm

Test String

Code Generator

Language

Generated Code

# coding=utf8 # the above tag defines encoding for this document and is for Python 2.x compatibility import re regex = r"<server url=\"([^\"]+).*?name=\"([^\"]+).*?cc=\"FR.*?sponsor=\"([^\"]+)" test_str = "<server url=\"http://176.109.165.21/speedtest/upload.php\" lat=\"50.8500\" lon=\"16.4833\" name=\"Swidnica\" country=\"Poland\" cc=\"PO\" sponsor=\"Dolnet Group sp. z o. o.\" id=\"6174\" url2=\"http://ossto.tk/speedtest/upload.php\"/><server url=\"http://speedtest-01.cloudconnx.net/speedtest/upload.php\" lat=\"50.7700\" lon=\"0.2800\" name=\"Eastbourne\" country=\"Great Britain\" cc=\"GB\" sponsor=\"CloudConnX\" id=\"3829\" url2=\"http://speedtest-02.cloudconnx.net/speedtest/upload.php\" host=\"speedtest-01.cloudconnx.net:8080\"/><server url=\"http://speedtesta.isleofwightspeedtest.com/speedtest/upload.aspx\" lat=\"50.7667\" lon=\"-1.3000\" name=\"Cowes\" country=\"Great Britain\" cc=\"GB\" sponsor=\"WightFibre\" id=\"2886\" url2=\"http://speedtestb.isleofwightspeedtest.com/speedtest/upload.aspx\" host=\"speedtesta.isleofwightspeedtest.com:8080\"/><server url=\"http://speedtest.hillcom.de/upload.php\" lat=\"50.7511\" lon=\"9.2711\" name=\"Alsfeld\" country=\"Germany\" cc=\"DE\" sponsor=\"HillCom Solutions\" id=\"6599\" url2=\"http://speedcheck.hillcom.de/upload.php\" host=\"speedtest.hillcom.de:8080\"/><server url=\"http://speedtest-lk.airbites.net.ua/speedtest/upload.php\" lat=\"50.7500\" lon=\"25.3333\" name=\"Lutsk\" country=\"Ukraine\" cc=\"UA\" sponsor=\"Airbites Ukraine\" id=\"3811\" url2=\"http://speedtest-lutsk.airbites.net.ua/speedtest/upload.php\" host=\"speedtest-lk.airbites.net.ua:8080\"/><server url=\"http://web.itt.net.ua/test/speedtest/upload.php\" lat=\"50.7500\" lon=\"25.3333\" name=\"Lutsk\" country=\"Ukraine\" cc=\"UA\" sponsor=\"Datagroup Volyn\" id=\"2862\" host=\"web.itt.net.ua:8080\"/><server url=\"http://1.bournemouth.speedtest.c4l.co.uk/speedtest/upload.php\" lat=\"50.7300\" lon=\"-1.8800\" name=\"Bournemouth\" country=\"Great Britain\" cc=\"GB\" sponsor=\"CONNEXIONS4LONDON Ltd\" id=\"2153\" url2=\"http://2.bournemouth.speedtest.c4l.co.uk/speedtest/upload.php\" host=\"1.bournemouth.speedtest.c4l.co.uk:8080\"/><server url=\"http://speedtest.derkom.net.pl/speedtest/upload.php\" lat=\"50.7247\" lon=\"23.2606\" name=\"Zamosc\" country=\"Poland\" cc=\"PL\" sponsor=\"DERKOM SP. J.\" id=\"2911\" url2=\"http://speedtest2.derkom.net.pl/speedtest/upload.php\" host=\"speedtest.derkom.net.pl:8080\"/><server url=\"http://test1.gtnet.pl/speedtest/upload.php\" lat=\"50.7247\" lon=\"23.2606\" name=\"Zamosc\" country=\"Poland\" cc=\"PL\" sponsor=\"GTnet sp.j.\" id=\"2365\" url2=\"http://test2.gtnet.pl/speedtest/upload.php\"/><server url=\"http://speed1.masconcable.ca/speedtest/upload.php\" lat=\"50.7022\" lon=\"-119.2722\" name=\"Salmon Arm, BC\" country=\"Canada\" cc=\"CA\" sponsor=\"Mascon Cable Systems Inc\" id=\"3581\" url2=\"http://speed2.masconcable.ca/speedtest/upload.php\" host=\"speedtest.masconcable.ca:8080\"/><server url=\"http://rbx-fr.verelox.com/speedtest/upload.php\" lat=\"50.7000\" lon=\"3.1700\" name=\"Roubaix\" country=\"France\" cc=\"FR\" sponsor=\"Verelox\" id=\"6145\" url2=\"http://rbx-fr.verelox.com/speedtest/upload.php\" host=\"rbx-fr.verelox.com:8080\"/><server url=\"http://speedtestnet.kubofonista.net/speedtest/upload.php\" lat=\"50.6900\" lon=\"3.1817\" name=\"Roubaix\" country=\"France\" cc=\"FR\" sponsor=\"Kubofonista Network\" id=\"3770\"/><server url=\"http://speedtest.eplay-tv.de/speedtest/upload.php\" lat=\"50.6900\" lon=\"3.1817\" name=\"Roubaix\" country=\"France\" cc=\"FR\" sponsor=\"ePlay TV\" id=\"2951\" url2=\"http://www.eplay-tv.eu/speedtest/speedtest/upload.php\" host=\"speedtest.eplay-tv.de:8080\"/><server url=\"http://speedtest1.proof.ovh.net/speedtest/upload.php\" lat=\"50.6900\" lon=\"3.1817\" name=\"Roubaix\" country=\"France\" cc=\"FR\" sponsor=\"OVH\" id=\"1889\" url2=\"http://speedtest2.proof.ovh.net/speedtest/upload.php\"/><server url=\"http://speedtest.newone.de/speedtest/upload.php\" lat=\"50.6872\" lon=\"10.9142\" name=\"Ilmenau\" country=\"Germany\" cc=\"DE\" sponsor=\"Newone\" id=\"3823\" url2=\"http://speedtest.ilmenau.net/speedtest/upload.php\" host=\"speedtest.newone.de:8080\"/><server url=\"http://speedtest.sipr.ucl.ac.be/speedtest/upload.php\" lat=\"50.6678\" lon=\"4.6117\" name=\"Louvain-La-Neuve\" country=\"Belgium\" cc=\"BE\" sponsor=\"Universite Catholique de Louvain\" id=\"4812\" url2=\"http://speedtest-ucl.dyndns.org/speedtest/upload.php\" host=\"speedtest.sipr.ucl.ac.be:8080\"/><server url=\"http://speedtest.verixi.net/mini/speedtest/upload.php\" lat=\"50.6678\" lon=\"4.6117\" name=\"Louvain-La-Neuve\" country=\"Belgium\" cc=\"BE\" sponsor=\"Verixi SPRL\" id=\"4904\" url2=\"http://speedtest2.verixi.net/mini/speedtest/upload.php\"/><server url=\"http://speedtest.po.opole.pl/speedtest/upload.php\" lat=\"50.6667\" lon=\"17.9333\" name=\"Opole\" country=\"Poland\" cc=\"PL\" sponsor=\"Opole Univ of Technology\" id=\"1165\" url2=\"http://217.173.198.235/speedtest/upload.php\" host=\"speedtest.po.opole.pl:8080\"/><server url=\"http://speedtest-l1.nemicom.ua/upload.php\" lat=\"50.6439\" lon=\"29.9339\" name=\"Borodianka\" country=\"Ukraine\" cc=\"UA\" sponsor=\"Nemicom\" id=\"5767\" url2=\"http://speedtest-l2.nemicom.ua/upload.php\" host=\"speedtest.nemicom.ua:8080\"/><server url=\"http://www.prolink.net.ua/test/speedtest/upload.php\" lat=\"50.6439\" lon=\"29.9339\" name=\"Borodianka\" country=\"Ukraine\" cc=\"UA\" sponsor=\"PROLINK LLC\" id=\"5535\" host=\"www.prolink.net.ua:8080\"/><server url=\"http://speedtest.voo.be/speedtest/upload.php\" lat=\"50.6333\" lon=\"5.5667\" name=\"Liege\" country=\"Belgium\" cc=\"BE\" sponsor=\"VOO\" id=\"2419\" host=\"speedtest.voo.be:8080\"/><server url=\"http://st.1ptb.com/speedtest/upload.php\" lat=\"50.6333\" lon=\"38.7000\" name=\"Alexeyevka\" country=\"Russian Federation\" cc=\"RU\" sponsor=\"1 Petabyte Ltd.\" id=\"4582\" url2=\"http://93.170.215.20/speedtest/upload.php\"/><server url=\"http://spdt1.comanet.cz/speedtest/upload.php\" lat=\"50.6278\" lon=\"15.6103\" name=\"Vrchlabi\" country=\"Czech Republic\" cc=\"CZ\" sponsor=\"Ing. Leos Janouch\" id=\"4507\" url2=\"http://spdt2.comanet.cz/speedtest/upload.php\" host=\"spdt1.comanet.cz:8080\"/><server url=\"http://speedtest.ate.info/speedtest/upload.php\" lat=\"50.6233\" lon=\"3.1450\" name=\"Villeneuve-d'Ascq\" country=\"France\" cc=\"FR\" sponsor=\"ATE\" id=\"3572\" url2=\"http://speedtest02.ate.info/speedtest/upload.php\" host=\"speedtest.ate.info:8080\"/><server url=\"http://speedtest.itbusiness.cz/upload.php\" lat=\"50.6167\" lon=\"15.1667\" name=\"Turnov\" country=\"Czech Republic\" cc=\"CZ\" sponsor=\"ITBUSINESS s.r.o.\" id=\"6288\" url2=\"http://speedtest.itbss.cz/upload.php\" host=\"185.15.111.74:8080\"/><server url=\"http://test.campus-rv.net/speedtest/upload.php\" lat=\"50.6167\" lon=\"26.2500\" name=\"Rivne\" country=\"Ukraine\" cc=\"UA\" sponsor=\"Campus Networks\" id=\"2558\" url2=\"http://test.campus.rv.ua/speedtest/upload.php\" host=\"test.campus-rv.net:8080\"/><server url=\"http://speedtest-rivne.airbites.net.ua/speedtest/upload.php\" lat=\"50.6167\" lon=\"26.2500\" name=\"Rivne\" country=\"Ukraine\" cc=\"UA\" sponsor=\"Airbites Ukraine\" id=\"4658\" url2=\"http://speedtest-rv.airbites.net.ua/speedtest/upload.php\" host=\"speedtest-rivne.airbites.net.ua:8080\"/>" matches = re.finditer(regex, test_str, re.MULTILINE) for matchNum, match in enumerate(matches, start=1): print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group())) for groupNum in range(0, len(match.groups())): groupNum = groupNum + 1 print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum))) # Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.

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 Python, please visit: https://docs.python.org/3/library/re.html