This is the revision history for reference in <freenode.net:#regexen>

factoid_idsubjectcopulapredicateauthornamespace
15868 reference is <fact ref> digitok <freenode.net:#regex>
15796 reference is http://www.regular-expressions.info/refflavors.html digitok <freenode.net:#regex>
15096 reference is <fact ref>
http://www.regular-expressions.info/refflavors.html
digitok <freenode.net:#regex>
11811 reference is <nfacts #regex ref>
Not Available
digitok <freenode.net:#regex>