Regular Expressions in XPath 2.0
I guess XPath is not off-topic to this list, if it is then I'm sorry about this post.
I have just started learning the 2.0 versions of XSLT and XPath and recently learned that Regular Expressions were introduced in XPath 2.0 and were not in XPath1.0.
I would like understand a few things about the Regular Expressions in XPath 2.0.
According to the slide here: http://www.mulberrytech.com/papers/XPath-2-0-User-Grp-HTML/slide060.html the regular expressions in XPath are taken from Perl.
I've studied Regular Expressions in school a long time ago, but I've never learned Perl.
I have a few questions
1) Are regular expressions in XPath 2.0 identical or are they similar to those in Perl?
2) What would be the best approach to re-learn Regular Expressions with respect to XPath 2.0, I know I have to first re-learn the basics of regular expressions too.
I think there's a standard for Regular Expressions and each programming language specializes or deviates from the standard.
Thank you for your input.
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