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"([\d]{1,2})\s+([\w]+)\s+([\d]{4})\s+-\s+([\d]{1,2})\s+([\w]+)\s+([\d]{4})\s+([\d]{1,2})\s+N[a,ä]chte\s+([.\s\S]+)\s+DERTOUR", flags=re.IGNORECASE) test_str = ("Mit freundlichen Grüßen\n" "i.A. Center Parcs Europe N.V.\n" "Tel.: 0221-97303042\n" "Fax: 0221-97303019\n" "EMail: dertour@groupepvcp.com\n" "Vertragspartner: Center Parcs Europe N.V.; Korrespondenzadresse: Kaltenbornweg 1-3, 50679 Köln\n" "Geschäftsführer: Pascal R.L. Ferracci, Mark David Haak Wegmann\n" "Von: ltr-staedte.fra@dertouristik.com <ltr-staedte.fra@dertouristik.com>\n" "Gesendet: Montag, 4. Juli 2016 14:07\n" "An: PVCP, Dertour\n" "Betreff: ADVISING=2016/07/04, SeqNo=738, RefNo=201607042684\n" "CPNK§\n" "Center Parcs Nordseeküste GmbH\n" "Attn.: Frau Schwamborn\n" "Kaltenbornweg 1-3\n" "D-50679 Köln\n" "BRV10888 Center Parcs Park Nordseeküste\n" "-- OK gebucht --\n" "DER-REF.: 671509446-3 RES-DAT.: 04 JUL 2016\n" "Personen: 6 Erw.\n" "Kopie\n" "01 X BK792\n" "( EUR 917.60 )\n" "08 JUL 2016 - 15 JUL 2016 7 Nächte\n" "Bestätigt nach Anfrage\n" "Frau MENTHE/URSULA\n" "Herr MENTHE/CHRISTOPH\n" "Herr MENTHE/HEIKO\n" "Frau MENTHE/CHRISTINA\n" "Kind MENTHE/SILJA (08)\n" "Kind MENTHE/JANDRIK (04)\n" "BRV10888 Center Parcs Park Nordseeküste\n" "-- Bitte stornieren --\n" "DER-REF.: 671509446-2 RES-DAT.: 29 JUN 2016\n" "Personen: 6 Erw.\n" "Kopie: kein komplettes Storno - nur Umbuchung auf Termin 08.-15.07.\n" "01 X BK792\n" "( EUR 1,359.20 )\n" "08 JUL 2016 - 18 JUL 2016 10 Nächte\n" "Freesale\n" "Frau MENTHE/URSULA\n" "Herr MENTHE/CHRISTOPH\n" "Herr MENTHE/HEIKO\n" "Frau MENTHE/CHRISTINA\n" "Kind MENTHE/SILJA (08)\n" "Kind MENTHE/JANDRIK (04)\n" "DERTOUR GmbH & Co. KG\n" "Erlebnisparks FAX: 069/9588-5122\n" "++ ENDE AVIS ++") 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