See: <a href="/doc/reference/classes/ucalc.rule/getmatches/">GetMatches</a>, <a href="/doc/reference/classes/ucalc.transformer/getmatches/">GetMatches</a>, <a href="/doc/reference/classes/ucalc.rule/matches-=-[matches]/">Matches = [Matches]</a>, <a href="/doc/reference/classes/ucalc.transformer/matches-=-[matches]/">Matches = [Matches]</a>, <a href="/doc/reference/classes/ucalc.matches/str/str-void/">Str()</a>