regex - Regexp performancing in different languages -


if in php, regex pattern better performancing second pattern, means pattern better in java's or in javascript's or in postgresql's regex?

that is, in different language/db, regexp working same or differently ?

there not same perfomace. i've found article benchmarking regex on various languages. may find useful.

and here find information handling regexs in various languages

http://www.regular-expressions.info/refflavors.html

also may want read this:

regex performances between languages or libraries


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