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]
  • Character class intersection
    [\w&&[^\d]]
  • 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"(fg\w+)?(\s)?(\d+|\w+)([\/\._]+\w+)([\/\._ ]?)(\d+)(\w?)", flags=re.MULTILINE | re.IGNORECASE) test_str = ("Trans 16 10.2/300 Vor-, täglich\n" "InnoTrans 16 Reinigung 23/705 Vorr./Tägl.\n" "InnoTrans 16 Reinigung 17/113 Vorr./Tägl.\n" "FUNK 16 Reinigung 14.1/124 Vorr./Tägl.\n" "InnoTrans 16 Reinigung FGSUED O/240 Vorr./Tägl.\n" "InnoTrans 16 Reinigung 6.2/507 Vorr./Tägl.\n" "Trans 16, 23/606, Vor + tägl. Reinigung\n" "InnoTrans 16 Reinigung 26./141 Vorr./Tägl.\n" "InnoTrans 16 Reinigung FGSUED O/553 Reinigung Aufbau+Gl./Tägl.+Gl.\n" "Inno 16 Vorr. + tägl. Rein. H. 17_304\n" "trans 4.1 412 vor u tä\n" "InnoTrans 16 Reinigung FGSUED T10/47 Reinigung nach Stundennachweis\n" "Inno 16 Vorr. + tägl. rein. H. 7.2C_305\n" "Inno 16 - Storno H. 22_808\n" "STORNO !!!!!!InnoTrans 16 Reinigung 4.2/208a Vorr./Tägl.\n" "innotrans 16 reinig tä 21. 205") 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