At the moment, 'match(tom dick harry)' will accept "tom? dick! harry," as a correct answer, which I find hardly acceptable.
Punctuation is an integral part of natural languages, and should be provided for in answer analysis.

If you need to be convinced of the importance of punctuation, do read the entertaining and useful book "Eats, Shoots & Leaves"
http://en.wikipedia.org/wiki/Eats,_Shoots_%26_Leaves