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Costello, Roger L. wrote:
No, here is an example that stuffs markup into a PI
The XML specification does not mandate any pseudo attribute syntax for the content of a PI, as your regex seems to expect.
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Re: [xsl] A regular expression for the content of any processing-instruction
Subject: Re: [xsl] A regular expression for the content of any processing-instruction From: Martin Honnen <Martin.Honnen@xxxxxx> Date: Thu, 23 Feb 2012 14:49:40 +0100 |
Costello, Roger L. wrote:
Hi Folks,
I created a regex for the content of any PI.
Is my regex correct?
Here is the structure of the content of any PI:
1. Zero or more whitespace characters. This is expressed as: \s*
2. One or more XML name characters. This is expressed as: \c+
3. Zero or more whitespace characters. This is expressed as: \s*
4. The equals sign. This is expressed as: =
5. Zero or more whitespace characters. This is expressed as: \s*
6. Either a single- or double-quote character. This is expressed as: ["']
7. One or more characters (any kind of character). This is expressed as: .+
Note: the period allows any character. That's not correct. What is correct?
8. Either a single- or double-quote character. This is expressed as: ["']
9. Repeat (1) - (8) one or more times. This is expressed as: ( ... )+
10. Zero or more whitespace characters. This is expressed as: \s*
Here is the resulting regex:
(\s*\c+\s*=\s*["'].+["'])+\s*
Do you agree?
No, here is an example that stuffs markup into a PI
<?xml version="1.0" encoding="utf-8" ?> <?test <foo><bar>foobar</bar></foo> ?> <root/>
The XML specification does not mandate any pseudo attribute syntax for the content of a PI, as your regex seems to expect.
--
Martin Honnen --- MVP Data Platform Development http://msmvps.com/blogs/martin_honnen/
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