Re: grep --perl-regexp and empty match

[Paul Jarc]

Jori Mantysalo <address@hidden> wrote:
> I was trying to get "one" and "two" from string "<B>one</B> and
> <B>two</B>".

I'd use sed for that, not grep.

> So, doing it with perl-style regexp:
>  grep -o -P '<B>.*?</B>'
> well, that works.

$ echo "<B>one</B> and <B>two</B>" | grep -o -P '<B>.*?</B>'
grep: The -P option is not supported
$ grep --version|sed q
grep (GNU grep) 2.5.1

Are you sure you're using GNU grep?


paul