LXer: Some regex tests with grep, sed and AWK
by LXer from LinuxQuestions.org on (#5QXN1)
Published at LXer:
In my data work I regularly do searching and filtering with GNU grep (version 3.3), GNU sed (4.7) and GNU AWK (4.2.1). I don't know if they all use the same regex engine, but I've noticed differences in regex speed between these three programs. This post documents some of the differences.
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In my data work I regularly do searching and filtering with GNU grep (version 3.3), GNU sed (4.7) and GNU AWK (4.2.1). I don't know if they all use the same regex engine, but I've noticed differences in regex speed between these three programs. This post documents some of the differences.
Read More...