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

use strict; my $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\\":'; my $regex = qr/.*?\\u003d([\s\S]{11,11})\\"[\s\S]{1,40}\\"([^\\"]{1,150})\\" /mp; if ( $str =~ /$regex/g ) { print "Whole match is ${^MATCH} and its start/end positions can be obtained via \$-[0] and \$+[0]\n"; # print "Capture Group 1 is $1 and its start/end positions can be obtained via \$-[1] and \$+[1]\n"; # print "Capture Group 2 is $2 ... and so on\n"; } # ${^POSTMATCH} and ${^PREMATCH} are also available with the use of '/p' # Named capture groups can be called via $+{name}

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 Perl, please visit: http://perldoc.perl.org/perlre.html