On Sunday 31 January 2016 09:18, Gregory Ewing wrote: > Rustom Mody wrote: >> 1. One can use string-re's instead of compiled re's > > And I gather that string REs are compiled on first use and > cached, so you don't lose much by using them most of the > time.
Correct. The re module keeps a cache of the last N regexes used, for some value of N (possibly 10?) so for casual use there's no real point to pre- compiling other than fussiness. But if you have an application that makes heavy-duty use of regexes, e.g. some sort of parser with dozens of distinct regexes, you might not want to rely on the cache. -- Steve -- https://mail.python.org/mailman/listinfo/python-list
