> "PN" == Pierre Nugues writes:
PN> I am wondering on some metacharacters in regular expressions.
PN> According to Wall et al. (2000, p. 158), there are 12 metacharacters:
PN> * + ? . \ | ( ) [ { ^ $
PN> On the other hand, the Perl regular expressions quick start
PN> (http://perldoc
Hello,
I am wondering on some metacharacters in regular expressions.
According to Wall et al. (2000, p. 158), there are 12 metacharacters:
* + ? . \ | ( ) [ { ^ $
On the other hand, the Perl regular expressions quick start (http://perldoc.perl.org/perlrequick.html
) cites 14 metacharacters: