preg_grep | PHP 4.0
array preg_grep(string regex, array input) |
Searches array and returns entries that match regex.

preg_match_all | PHP 3.0.9
int preg_match_all(string pattern, string subject, array subpatterns[, int flags]) |
Performs a Perl-style global regular expression match.

preg_match | PHP 3.0.9
int preg_match(string pattern, string subject[, array subpatterns[, int flags]]) |
Performs a Perl-style regular expression match.

preg_quote | PHP 3.0.9
string preg_quote(string str, string delim_char) |
Quotes regular expression characters plus an optional character.

preg_replace_callback | PHP 4.0.5
string preg_replace_callback(mixed regex, mixed callback, mixed subject[, int limit]) |
Performs Perl-style regular expression replacement using replacement callback.

preg_replace | PHP 3.0.9
string preg_replace(mixed regex, mixed replace, mixed subject[, int limit]) |
Performs Perl-style regular expression replacement.

preg_split | PHP 3.0.9
array preg_split(string pattern, string subject[, int limit[, int flags]]) |
Splits string into an array using a Perl-style regular expression as a delimiter.