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

$re = '/^0(?:2(?:12|3[45789]|[45][1-9]|6[0-9]|7[0-8]|8[1235678]|9[1-5])|4(?:1[246]|2[46]))\d{7}$/m'; $str = '02481234567 02811234567 02821234567 02831234567 02351234567 02471234567 02781234567 02431234567 02441234567 02451234567 02461234567 02731234567 02781234567 02351234567 02851234567 02861234567 02881234567 02411234567 02421234567 02431234567 02451234567 02491234567 02581234567 02871234567 02121234567 02591234567 02681234567 02691234567 02371234567 02351234567 02381234567 02461234567 02471234567 02511234567 02521234567 02531234567 02711234567 02731234567 02741234567 02751234567 02121234567 02341234567 02391234567 02871234567 02911234567 02921234567 02951234567 02551234567 02561234567 02571234567 02931234567 02941234567 02761234567 02771234567 02711234567 02721234567 02121234567 02511234567 02531234567 02541234567 02611234567 02621234567 02631234567 02641234567 02651234567 02661234567 02671234567 02711234567 02751234567 02601234567 02701234567 04121234567 04141234567 04241234567 04161234567 04261234567 04271234567 02131234567'; preg_match_all($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