String efuns
The following efuns exist for working with strings:
* capitalize
* clear_bit
* crypt
* explode
* implode
* lower_case
* next_bit
* pluralize
* reg_assoc
* regexp
* replace_string
* set_bit
* sprintf
* sscanf
* strcmp
* stringp
* strlen
* strsrch
* terminal_colour
* test_bit
Tim Hollebeek Beek@ZorkMUD, Lima Bean, IdeaExchange, and elsewhere