Regular Expressions 101

Save & Manage Regex

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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

Generated Code

import re regex = re.compile(r"\d{1,9}(eur.*)? honoraires? exclus", flags=re.MULTILINE) test_str = ("----------------------------------------------------------------------------------\n" "[REGEX_1 = hors honoraires?:? (:\\s)?\\d{1,9}]\n" "----------------------------------------------------------------------------------\n" "prix hors honoraires 900 000 €. no\n" "prix hors honoraire 900 000 €. no\n" "prix hors honoraire: 900 000 €. no\n" "prix hors honoraires 168 000 € ttc.\n" "prix hors honoraires 600 000 € ht. \n" "prix hors honoraires 125 000 €. no\n" "prix hors honoraires 2 500 000 € pa\n" "prix hors honoraires 100 000 €. no\n" "prix hors honoraires 250 000 € h\n" "prix hors honoraires: 250 000 € h\n" "prix de vente hors honoraires : 620 000 €\n\n" "----------------------------------------------------------------------------------\n" "[REGEX_2 = \\d{1,9} ([a-zA-Z_\\/€² ]{1,12}) (\\w{1,5}\\s)?hors honoraires?]\n" "----------------------------------------------------------------------------------\n" "1 050 000 € hors honoraires\n" "450 000 euros hors honoraires\n" "287600 eur hors honoraires\n" "450 ht/hc/m²/an hors honoraires\n" "450 € /m2 ht/hc/an hors honoraires\n" "450 m²/an/ht/hc et hors honoraires\n" "450 m²/an/ ht hc et hors honoraires\n\n" "----------------------------------------------------------------------------------\n" "[REGEX_3 = \\d{1,9}(eur.*)? hors honoraires?]\n" "----------------------------------------------------------------------------------\n" "65 000 hors honoraires \n" "400000eur hors honoraires \n\n" "----------------------------------------------------------------------------------\n" "[REGEX_4 = honoraires? exclus:? (:\\s)?\\d{1,9}]\n" "----------------------------------------------------------------------------------\n" "prix honoraires exclus : 80 000 eur\n" "prix honoraires exclus : 550 000 eur\n" "prix honoraires exclus: 550 000 eur\n\n" "----------------------------------------------------------------------------------\n" "[REGEX_5 = \\d{1,9} ([a-zA-Z_\\/€² ]{1,12}) (\\w{1,5}\\s)?honoraires? exclus]\n" "----------------------------------------------------------------------------------\n" "65 000 eur honoraires exclus\n" "400000 ht/hc/m²/an honoraires exclus\n" "400000 ht hc m²/an honoraires exclus\n" "450 m²/an/ht/hc et honoraires exclus\n" "450 m²/an/ ht hc et honoraires exclus\n" "450 m²/an/ ht hc et honoraires exclus\n\n" "----------------------------------------------------------------------------------\n" "[REGEX_6 = \\d{1,9}(eur.*)? honoraires? exclus]\n" "----------------------------------------------------------------------------------\n" "65 000 honoraires exclus\n" "400000eur ht/hc/m²/an honoraires exclus\n" "400000eur ht/hc/m²/an et honoraires exclus\n" "400000eur ht hc m²/an honoraires exclus\n" "400000eur ht hc m²/an et honoraires exclus\n" "400000eur honoraires exclus\n\n" "[GOOD ONE]\n" "bail 30/06/22 honoraires exclus\n" "prix honoraires exclus \n" "honoraires exclus \n" "prix hors honoraires \n" "bail 30/06/22 hors honoraires\n\n") 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