SearchContext.getRegexError
glib.error.ErrorWrap getRegexError()Regular expression patterns must follow certain rules. If #GtkSourceSearchSettings:search-text breaks a rule, the error can be retrieved with this function. The error domain is #G_REGEX_ERROR.
Free the return value with [glib.error.ErrorWrap.free].
Returns
the #GError, or null if the pattern is valid.