Mac OSX, Bash, awk, and negative look behind

The common trick is to use

ps aux | grep '[p]lugin-container.*Flash.*'

The character class [p] prevents grep itself from being matched.

regex macos bash awk

I don't know whether awk supports lookbehind, but I usually solve this problem with grep -v:

aix@aix:~$ ps aux | awk '/plugin-container.*Flash/' | grep -v awk

(Also, I'd normally use grep for the awk command above.)

regex macos bash awk

I don't know if awk supports lookbehinds, but if, then the question mark at the start should not be escaped, a negative lookbehind starts (?<!

A question mark right after the opening bracket is the sign, that this group is not a capturing group, i.e. it has some special meaning.

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