New regex: Find?
derek at psych.ward
Mon May 4 14:02:19 PDT 2009
On Mon, 04 May 2009 10:09:56 -0500, Andrei Alexandrescu wrote:
> dsimcha wrote:
>> Is there an *efficient* way to simply test whether a given string contains a
>> given regex in the new std.regex? Using match() and testing for empty works,
>> but this apparently triggers a bunch of unnecessary heap allocation. If not,
>> is this a universal enough feature to warrant an enhancement request?
> If you only search once, there will be allocation. However, if you
> search for the same regex several times there will be no extra
> allocation so the cost will be amortized.
ranslation: No, there isn't "an *efficient* way".
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