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

/
/
gmi

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".*?(title|english|native)\"\s?:\s?\"(t).*?year\"\s?:(2023).*?season\"\s?:\"(winter)" test_str = ("[{\"number\":1,\"title\":\"Tomo-chan wa Onnanoko!\",\"native\":\"トモちゃんは女の子！\",\"english\":\"Tomo-chan Is a Girl!\",\"alternative\":\"Tomo-chan wa Onna no ko!\",\"status\":\"Airing\",\"year\":2023,\"season\":\"Winter\",\"score\":7.4,\"episode\":13,\"duration\":24,\"released\":\"5 January 2023\",\"type\":\"TV\",\"image\":\"http://themeproject.test/wp-content/uploads/2023/03/bx151806-IAMi2ctI5xJI-20230308-021806.jpg\",\"background\":\"http://themeproject.test/wp-content/uploads/2023/03/151806-1AmWChFo1Ogh.jpg\",\"trailer\":\"\",\"synopsis\":\"Tomboy Tomo couldn’t have picked a more awkward high school crush ’cause it’s on her childhood friend, Junichiro, but he only sees her as one of the guys. Despite her pretty looks and signals, nothing gets through to this meathead! Will Junichiro ever realize Tomo’s into him and see her for the cutesy girl she actually is?!-nl-(Source: Crunchyroll) -nl-\"}]\n" "[{\"number\":1,\"title\":\"The Angel Next Door Spoils Me Rotten\",\"native\":\"お隣の天使様にいつの間にか駄目人間にされていた件\",\"english\":\"The Angel Next Door Spoils Me Rotten\",\"alternative\":\"The Angel Next Door Spoils Me Rotten\",\"status\":\"Airing\",\"year\":2023,\"score\":8,\"duration\":24,\"trailer\":\"\",\"episode\":12,\"season\":\"Winter\",\"released\":\"1/7/2023\",\"image\":\"http://themeproject.test/wp-content/uploads/2023/03/7X3FxgUOkViUmAePd3kUuHmfn.jpg\",\"background\":\"http://themeproject.test/wp-content/uploads/2023/03/2tpxFqUTjJFOqI62rYndu3zbdu6.jpg\",\"synopsis\":\"Amane lives alone in an apartment, and the most beautiful girl in school, Mahiru, lives just next door. They-sq-ve almost never spoken—until the day he sees her in distress on a rainy day and lends her his umbrella. To return the favour, she offers him help around the house, and a relationship slowly begins to blossom as the distance between them closes…\",\"type\":\"TV\"}]") matches = re.finditer(regex, test_str, re.MULTILINE | 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