(PHP 4, PHP 5, PHP 7) Return array entries that match the pattern

(PECL bbcode >= 0.10.2) Attach another parser in order to use another rule set for argument parsing

(PHP 4, PHP 5, PHP 7) String comparisons using a "natural order" algorithm

(PHP 4, PHP 5, PHP 7) Case-insensitive

(PHP 4 >= 4.0.2, PHP 5, PHP 7) Wraps a string to a given number of characters

(PHP 4, PHP 5, PHP 7) Set locale information

(PHP 5, PHP 7) Search a string for any of a set of characters

(PHP 4, PHP 5, PHP 7) Quote meta characters string

(PHP 4, PHP 5, PHP 7) Convert all applicable characters to HTML entities