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

Substitution

Processing...

Code Generator

Language

Generated Code

$re = '/^.*?(\+?(?:\d{11,14})|(?:\d{5}\s(?:\d{3}\s\d{3}|\d{6}))|(?:\d{3}(?:\s\d{3}){3})|(?:\d{4}\s\d{3}\s\d{3})).*$/m'; $str = 'This is sample. 775 657 7576 sample Second sample line. 661-525-5366 sample 123 Third line sample 466.755.7888. 07123452670 07812 345 931 07412 123466 00447912345188 +971557017442 +971 557 856 832 0414 934 993 So basically, I need a regex for matching 11 digits. (07123456270) Matching 5 digits, followed by space, followed by 3 digits, followed by space, followed by 3 digits. (07812 345 931) Matching 5 digits, followed by space, followed by 6 digits (07412 123466) Matching 14 digits (12345678901234) Matching a + sign followed after with 12 digits (+971557017442) Matching + followed with 3 digits, space, followed by 3 digits, space, 3 more digits (+971 557 856 832) Last one, 4 digits, space, 3 digits, space, 3 digits. (0414 934 993) Someone please help'; $subst = "$1"; $result = preg_replace($re, $subst, $str); echo "The result of the substitution is ".$result;

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