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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

Language

Generated Code

$re = '/<a\s+[hH][rR][eE][fF]\s*=\s*"(?:https?:\/\/)?voximplant\.com[^"]+/m'; $str = ' <h6 class="other-projects__title">другие проекты хабра</h6> <ul class="other-projects__list"> <li class="other-projects__item"> <a href ="https://voximplant.com/?utm_source=habr_qna&utm_medium=habr_top_panel"> Хабр </a> </li> <li class="other-projects__item"> <a href="https://career.habr.com?utm_source=habr_qna&utm_medium=habr_top_panel"> Карьера </a> </li> <li class="other-projects__item"> <a Href="voximplant.com/?utm_source=habr_qna&utm_medium=habr_top_panel"> Фриланс </a> </li> </ul> <a\\s+[hH][rR][eE][fF]\\s*="https?:\\/\\/voximplant\\.com[^"]+'; preg_match_all($re, $str, $matches, PREG_SET_ORDER, 0); // Print the entire match result var_dump($matches);

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 PHP, please visit: http://php.net/manual/en/ref.pcre.php