Subject: Re: [xsl] check the type of the $pattern argument to a regular expression? From: "bryan rasmussen" <rasmussen.bryan@xxxxxxxxx> Date: Mon, 16 Apr 2007 10:01:28 +0200 |
It would make far more sense for you to test your regular expressions by some other means before putting them into your XSL.
I would have to disagree, the regular expression pattern can come from a variable this means it can be dynamically constructed which means that the way to make sure that the expression is correct is to test it in the stylesheet before running.
The test as to whether a regular expression is validly formed or not is not affected by the infinite number of possible regular expressions, it is determined by if the syntax is correct for regular expressions, since I'm not great at regular expressions I wanted to see if anyone else had already made such a check. That it can't be done using a regular expression is one thing, that it can't be done with XSL-T 2.0 is incorrect, given that all one would need to check the validity of regular expressions is a turing complete language.
Cheers, Bryan Rasmussen
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