Sure, for example:
Basically you turn the regexp into a cached internal object that has very little overhead during the pattern matching.
That's neat. Thanks! I didn't know you could do that. :D
It's very useful if you have to match a regexp in a loop for example. You only construct it once :)
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Sure, for example:
Basically you turn the regexp into a cached internal object that has very little overhead during the pattern matching.
That's neat. Thanks! I didn't know you could do that. :D
It's very useful if you have to match a regexp in a loop for example. You only construct it once :)