Revisions for !forget rehelp need a regex to limit numbers and decimal for length 4 ex: 1234, 12.34 in <freenode.net:#perlbot>

This is the revision history for !forget rehelp need a regex to limit numbers and decimal for length 4 ex: 1234, 12.34 in <freenode.net:#perlbot>

factoid_id	subject	copula	predicate	author	namespace
12818	!forget rehelp need a regex to limit numbers and decimal for length 4 ex: 1234, 12.34	is	valid but not 123.12 this should be invalid	digitok	<*:##NULL>