"and.u" <is.r / com.is-andy.com> wrote:
>
>If you install perl, you can type
>perldoc perlre
>to learn something about regular expression.
>It's a little different bewteen perlre and
>POSIX regexp which Ruby used.
>You also can get some info from
>info libc about regexp.
>
Actually Ruby's RE engine appears to be largely Perl
compatible and (thankfully) ignores the (IMNSHO) sadly
broken POSIX standard.

Cheers,
Ben
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