parle-php-regex-php-charclass-6

  • Pattern matching
  • Character classes

  • Character classes
  • Character classes

    Character classes

    Character classes
    Sequence Description
    […] A single character listed or contained within a listed range.
    Ranges can be combined with the {+} and {-}
    operators. For example [a-z]{+}[0-9] is the same as
    [0-9a-z] and [a-z]{-}[aeiou] is the same as
    [b-df-hj-np-tv-z].
    [^…] A single character not listed and not contained within a listed
    range.
    . Any character, default [^\n].
    \d Digit character, [0-9].
    \D Non-digit character, [^0-9].
    \s White space character, [ \t\n\r\f\v].
    \S Non-white space character, [^ \t\n\r\f\v].
    \w Word caracter, [a-zA-Z0-9_].
    \W Non-word caracter, [^a-zA-Z0-9_].