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

/
/
gi

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"([\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" 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 = re.finditer(regex, test_str, re.IGNORECASE) 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