Re:RegExpBuilder – Create regular expressions using chained ...
by UnoriginalGuy on Wednesday February 11, 2015 @02:13PM
(#9034923)
That isn't relevant in this context as the library linked couldn't be integrated into JavaScript.
Probably not true for Javascript (and other scripted languages) - matching regex uses native and highly optimized regex lib, which will usually be orders of magnitude faster than implementing this in the language.