Of course you are right about it being an anything but CPU match, I saw CPU in there and assumed it was looking in a very odd way for CPU rather than an egrep efficient match on (?!CPU).

I guess my problem will be innocent litteral characters in the egrep regex that are not special there but that perl interprets as special, such as the {M,N}? where the ? is special in perl and \d, \w etc which egrep knows nothing about. I could just hope the odds are low.

It looks like a non-trivial problem to be sure there is nothing perl regexp-ish that is not egrep regex, anyone know if there is a conversion module/tool already written, I only need do the conversion once everytime the patterns are updated (less than annual event)

Cheers,
R.

In reply to Re^2: differnce between egrep and perl regex ? by Random_Walk
in thread differnce between egrep and perl regex ? by Random_Walk

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