4 ms·
For some of the mistakes (like .* vs '.*') maybe, but I doubt even experienced grep users are aware of all these things (e.g. how \t is interpreted in BRE vs. e
by chrisshroba 6y ago
For some of the mistakes (like .* vs '.*') maybe, but I doubt even experienced grep users are aware of all these things (e.g. how \t is interpreted in BRE vs. extended vs. PCRE modes).
- gpvos 6y agoOn a linked page, he recommends to use -P in all cases without mentioning that the BSD greps don't support it. I think "newbie" is a proper description.
- m000 6y agoIf you need to be told that grep supports different flavours of regular expressions, you are a grep newbie. And although even experienced users may be bit by errors related to the flavour of regular expressions in use, they surely don't need TFA to know the source of the errors.