Re: Clarification needed on metacharacters

2009-11-09 Thread Uri Guttman
> "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

Clarification needed on metacharacters

2009-11-09 Thread Pierre Nugues
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: