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

also may want read this:

KHS