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

Language

Generated Code

import re regex = re.compile(r"([^\/]+[^\/]|[^\/]+[\/])$", flags=re.MULTILINE) test_str = ("https://www.blick.ch/sport/fussball/challengeleague/\n" "https://www.blick.ch/sport/fussball/nati/\n" "https://www.blick.ch/life/wissen/technik/\n" "https://f2.blick.ch/img/news/crop8290483/3393194026-chorizontal-w644-h364-q90/Daniel-Barenboim-gibt-im-April-2018-seine-Echo-Auszeichung-zurueck-dies-aus-Protest-gegen-die-Auszeichnung-der-umstrittenen-Rapper-Kollegah-und-Farid-Bang.jpg\n" "https://www.blick.ch/life/reisen/fernweh/afrika/abenteuer-in-suedafrika-auf-du-und-du-mit-nashorn-und-gnu-id8238876.html\n" "https://f1.blick.ch/img/incoming/origs4810503/8631372270-w30-h960-q95/AppIcon60x60.png\n" "https://www.blick.ch/people-tv/tv/tatort/\n" "https://www.blick.ch/news/ausland/armenien-armenischer-ministerpraesident-tritt-nach-protesten-zurueck-id8291306.html\n" "https://www.blick.ch/life/wissen/menschen/\n" "https://www.blick.ch/wetter/schweiz/luzern\n" "https://www.blick.ch/sport/eishockey/nla/highlights/\n" "https://www.blick.ch/news/ausland/travis-reinking-29-glaubte-taylor-swift-wuerde-ihn-stalken-die-irre-welt-des-nashville-schuetzen-id8288730.html\n" "https://www.blick.ch/digital/\n" "https://www.blick.ch/auto/abgefahren/mit-dem-vw-amarok-in-oman-im-pritschenwagen-durch-die-wueste-id8281345.html\n" "https://www.blick.ch/sport/leichtathletik/\n" "https://www.blick.ch/sport/fussball/wm/\n" "https://www.blick.ch/news/politik/us-botschafter-mcmullen-im-interview-donald-trump-ist-ein-guter-mensch-id8285369.html\n" "https://www.blick.ch/gewinnen/wir-verlosen-5-ms-sports-fussballcamp-plaetze-kicker-lager-fuer-die-kleinsten-id8279719.html\n" "https://www.blick.ch/sport/fussball/\n" "https://www.blick.ch/services/datenschutzbestimmung-id151553.html\n" "https://www.blick.ch/storytelling/2018/allergie/index.html\n" "https://f2.blick.ch/img/incoming/crop8289178/2794855490-cpanorama-w980-h414-q90/TT-8288254-TT-Rindlisbacher-Suff-Fahrt-quer.jpg\n" "https://www.blick.ch/news/ausland/syrien-konflikt-im-newsticker-die-aktuellen-ereignisse-im-ueberblick-id8241170.html\n" "https://www.blick.ch/sport/fussball/superleague/\n" "https://www.blick.ch/news/schweiz/ostschweiz/schweizer-56-wollte-gesunkenen-raddampfer-besichtigen-taucher-stirbt-im-bodensee-id8289653.html\n" "https://www.blick.ch/life/gesundheit/medizin/\n" "https://www.blick.ch/sport/golf/\n" "https://www.blick.ch/people-tv/royals/es-ist-ein-junge-william-und-kates-drittes-baby-ist-da-id8171954.html\n" "https://f3.blick.ch/img/news/crop7643159/4355579846-chorizontal-w168-h94/Die-Transplantation-einer-Niere.jpg\n" "https://www.blick.ch/people-tv/royals/markles-sexszene-in-suits-ist-schuld-zwischen-meghan-und-kate-herrscht-eiszeit-id8265007.html\n" "https://www.blick.ch/news/politik/russen-in-der-schweiz-die-karawane-zieht-weiter-id8285775.html") matches = regex.finditer(test_str) for match_num, match in enumerate(matches, start=1): print(f"Match {match_num} was found at {match.start()}-{match.end()}: {match.group()}") for group_num, group in enumerate(match.groups(), start=1): print(f"Group {group_num} found at {match.start(group_num)}-{match.end(group_num)}: {group}")

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