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

$re = '/^(0|84)(2(0[3-9]|1[0-689]|2[0-25-9]|3[2-9]|4[0-9]|5[124-9]|6[0369]|7[0-7]|8[0-9]|9[012346789])|3[2-9]|5[25689]|7[06-9]|8[0-9]|9[012346789])([0-9]{7})$/m'; $str = '0917123123 0901123123 0931123123 0891123123 0701123123 0761123123 0771123123 0781123123 0791123123 01201123123 01211123123 01221123123 01261123123 01281123123 0911123123 0941123123 0881123123 0811123123 0821123123 0831123123 0841123123 0851123123 01231123123 01241123123 01251123123 01271123123 01291123123 0961123123 0971123123 0981123123 0861123123 0321123123 0331123123 0341123123 0351123123 0361123123 0371123123 0381123123 0391123123 01621123123 01631123123 01641123123 01651123123 01661123123 01671123123 01681123123 01691123123 0921123123 0561123123 0581123123 0521123123 01881123123 01861123123 0991123123 0591123123 01991123123 0871123123 0551123123'; preg_match_all($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