a #GRegex
the #GRegexMatchFlags to use when matching the regex
an integer associated with this expression, or -1 if @gregex could not be transformed into a #VteRegex or @gflags were incompatible
Deprecated: Use vte_terminal_match_add_regex() or vte_terminal_match_add_regex_full() instead.
Adds the regular expression @regex to the list of matching expressions. When the user moves the mouse cursor over a section of displayed text which matches this expression, the text will be highlighted.