I do little research on PHP expression and Perl expression. There were some
difference but also some are similar. For example: in PHP regex it looks like
this "a+$" but in Perl it looks like this "/a+$/". In Perl, they allow you with more
option like "/a+$/i" mean that it will insensively match the string.. Perl regular
expressions are more complicate than PHP but it is more powerful than PHP
because they have additional function. As I know, Perl regular expressions
also have condition in it. However, my tutorial is about PHP regular expression
and it also cover the basic regular expressions. I believe that if know PHP
regular expressions you can learn Perl regular expression easily because they
have the same concept.

From siLenTz
Same but different....

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