Usted buscó: manipulation (Coreano - Inglés)

create and return a new xslt processor resource for manipulation by the other xslt functions.
create and return a new xslt processor resource for manipulation by the other xslt functions.

regular expressions are used for complex string manipulation in php. the functions that support regular expressions are:
those functions support non-greedy matching, assertions, conditional subpatterns, and a number of other features not supported by the posix-extended regular expression syntax.