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Full Discussion: TCL scripting - searching for a IP address in a string
Homework and Emergencies Emergency UNIX and Linux Support TCL scripting - searching for a IP address in a string Post 302368068 by radoulov on Wednesday 4th of November 2009 05:24:33 AM
Old 11-04-2009
Quote:
Originally Posted by ahmad.diab
what does the below mean
[...]
Code:
{(?:\d+\.){3}\d+}




It's a regular expression that matches a sequence of 3 atoms of
one or more digit(s) followed by a literal dot[1] followed by one or more digit(s).

Quote:
[...]
Quote:
and is "puts" a command or just a word?
puts is a command.


[1]

Quote:
(?:.RE-a.) -- This modified version of grouping treats the enclosed regular expression atoms as an entity, but does not return the results in a match variable.
 

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LEARN ABOUT OSX

ppi::token::quotelike

PPI::Token::QuoteLike(3)				User Contributed Perl Documentation				  PPI::Token::QuoteLike(3)

NAME

       PPI::Token::QuoteLike - Quote-like operator abstract base class

INHERITANCE

	 PPI::Token::QuoteLike
	 isa PPI::Token
	     isa PPI::Element

DESCRIPTION

       The "PPI::Token::QuoteLike" class is never instantiated, and simply provides a common abstract base class for the five quote-like operator
       classes. In PPI, a "quote-like" is the set of quote-like things that exclude the string quotes and regular expressions.

       The subclasses of "PPI::Token::QuoteLike" are:

       qw{} - PPI::Token::QuoteLike::Words
       `` - PPI::Token::QuoteLike::Backtick
       qx{} - PPI::Token::QuoteLike::Command
       qr// - PPI::Token::QuoteLike::Regexp
       <FOO> - PPI::Token::QuoteLike::Readline

       The names are hopefully obvious enough not to have to explain what each class is. See their pages for more details.

       You may note that the backtick and command quote-like are treated separately, even though they do the same thing. This is intentional, as
       the inherit from and are processed by two different parts of the PPI's quote engine.

SUPPORT

       See the support section in the main module.

AUTHOR

       Adam Kennedy <adamk@cpan.org>

COPYRIGHT

       Copyright 2001 - 2011 Adam Kennedy.

       This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

       The full text of the license can be found in the LICENSE file included with this module.

perl v5.16.2							    2011-02-25						  PPI::Token::QuoteLike(3)
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