I am new to PCRE, and I am looking at incorporating regular expressions into a new product.
I need to know whether either of the following capabilities are available, either in PCRE, or in an add-on package - . Given two (2) regular expressions, does one regular expression superset all possible pattern matches of the other regular expression? . Given two (2) regular expressions, does there exist any union of potential pattern matches? John P. Baker -- ## List details at http://lists.exim.org/mailman/listinfo/pcre-dev
