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.
a GRegex
the GRegexMatchFlags to use when matching the regex
an integer associated with this expression Since 0.17.1
See Implementation
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.