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

/
/
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".*?\\u003d([\s\S]{11,11})\\\"[\s\S]{1,40}\\\"([^\\\"]{1,150})\\\"\n") test_str = "aCUM\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003d0CTp1a-aCUM\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"3заработок крипты\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dgHzuabZUd6c\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dgHzuabZUd6c\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"4прогноз эфириум\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003d2isYuQZMbdU\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003d2isYuQZMbdU\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"5деньги в интернете\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dHwybp38GnZw\\\"],\\\"6\\\":0,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dHwybp38GnZw\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"6без вложений\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003d3jS_yEK8qVI\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003d3jS_yEK8qVI\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"7где поднять бабла\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dQbJJwaVdgIs\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dQbJJwaVdgIs\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"8как заработать деньги в интернете\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dqIsgdOVGA04\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dqIsgdOVGA04\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"9как торговать опционами\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dzxYjTTXc-J8\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dzxYjTTXc-J8\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"10заработок на криптовалюте\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003durtFrxDUV6c\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003durtFrxDUV6c\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"11быстрые способы заработка в интернете\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dDuQbOQwVaNE\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dDuQbOQwVaNE\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"12биткоин путь к богатству\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dC680oxL__ck\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dC680oxL__ck\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"13пассивный доход в интернете\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003df0c7pSCoZqE\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003df0c7pSCoZqE\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"14инвестирование в криптовалюты\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dGLoeAJUcz38\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dGLoeAJUcz38\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"15как стать богатым через интернет\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dvp5sSqyZ5Go\\\"],\\\"6\\\":0,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dvp5sSqyZ5Go\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"16безопасные инвестиции в биткоин\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dUE5AHE2Ypr8\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dUE5AHE2Ypr8\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"17как обменивать криптовалюту\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003ds1ax8Tx_Jz0\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003ds1ax8Tx_Jz0\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"18торговля на криптовалютных биржах\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003d5V2B28OqfqM\\\"],\\\"6\\\":0,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003d5V2B28OqfqM\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"19как майнить криптовалюту\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003d5Hg_QSIJm8I\\\"],\\\"6\\\":0,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003d5Hg_QSIJm8I\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"20заработок в интернете без стартового капитала\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003doBYbxw8f5OI\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003doBYbxw8f5OI\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"21онлайн заработок без вложений\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dyXWw0_UfSFg\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dyXWw0_UfSFg\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"22прогнозы курса биткоина\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dIYVjOfoU3uI\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dIYVjOfoU3uI\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"23куда вложить деньги в интернете\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dfY-LA3YaZ_M\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dfY-LA3YaZ_M\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"24инвестиции в биткоин стоит ли риск\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dbs0SWXbty18\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dbs0SWXbty18\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"25стратегии заработка на криптовалютах\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dNbaWrbJDr48\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dNbaWrbJDr48\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"26реальный заработок в интернете\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dX1jMMFOqxEw\\\"],\\\"6\\\":0,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dX1jMMFOqxEw\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"27как заработать на блокчейн технологии\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dQxGVgXf_LNk\\\"],\\\"6\\\":0,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dQxGVgXf_LNk\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"28быстрые деньги в интернете миф или реальность\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dNS3hse9ezik\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dNS3hse9ezik\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"29заработать на падении криптовалюты\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003d3LLnjRLrvLU\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003d3LLnjRLrvLU\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"30деньги из интернета правда или обман\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":[2,\\\"https://www.youtube.com/watch?v\\\\u003dgL6iSCSHjco\\\"],\\\"6\\\":1,\\\"24\\\":\\\"https://www.youtube.com/watch?v\\\\u003dgL6iSCSHjco\\\"}],[{\\\"2\\\":3,\\\"3\\\":[2,\\\"31заработок на биткоинах без вложений\\\"],\\\"6\\\":1}],[{}],[{}],[{\\\"2\\\":131075,\\\"3\\\":" 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