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

r"
"
gm

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"\b(\d{1,3}(?: \d{3})+)(,\d{2})? {,2}[а-яА-Я,. ()]+\b(без|\d{2} копеек\)?, без)" test_str = ("3 322 559,32 руб. без НДС.\n" " 598 060,67 руб. НДС \n" "3 920 619,99руб. с НДС.\n\n" "5 026 813,65 руб. без НДС;\n" " 904 826,46 руб. НДС (18%);\n" "5 931 640,11 руб. с НДС\n\n" "Лот 1.\n" "4 837 251,02 руб. без НДС;\n" "870 050,18 руб. НДС (18%);\n" "5 707 956,20 руб. с НДС\n\n" "Лот 2.\n" "75 290,87 руб. без НДС;\n" "13 552,36 руб. НДС (18%);\n" "88 843,23 руб. с НДС\n\n" "ИТОГО:\n" "4 912 541,89 руб. без НДС\n" "884 257,54 руб. НДС (18%);\n" "5 796 799,43 руб. с НДС\n\n" "1 307 856 (Один миллион триста семь тысяч восемьсот пятьдесят шесть) рублей 67 копеек, в т.ч. НДС.\n" "1 214 490 (Один миллион двести четырнадцать тысяч четыреста девяносто) рублей 67 копеек, без учета НДС.\n\n" "307 272,00 рублей (Триста семь тысяч двести семьдесят два рубля 00 копеек), включая НДС. \n" "260 400,00 рублей (Двести шестьдесят тысяч четыреста рублей 00 копеек), без учета НДС.\n") matches = re.finditer(regex, test_str, re.MULTILINE) 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