[Python-Dev] Speeding up regular expression compilation

Barry Warsaw barry at python.org
Thu Oct 30 16:03:00 EST 2003

On Thu, 2003-10-30 at 14:40, Skip Montanaro wrote:
> Not really.  Note though that the sre module caches compiled regular
> expressions.  How many it caches depends on the size of sre._MAXCACHE
> (default is 100).  If you have many more regular expressions than that,
> you'll spend a lot of time compiling them.  You might find it helpful to
> boost that number.

Of course you can just assign your compiled regular expression objects
to a global or local and use that.  Instant caching!  Which is what I
tend to do.


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