On 25/03/17 12:53, Tom Browder wrote: > On Fri, Mar 24, 2017 at 10:36 PM, Timo Paulssen <t...@wakelift.de> wrote: >> I seem to recall you asked about performance recently >> >> the regex engine has a significant overhead. > ... > > Isn't that somewhat mitigated by defining regex or token constants for reuse? > > -Tom
The overhead is from starting up and finishing a regex match. Creating the Match object is quite expensive, for example. all regexes are compiled into code objects, of course.