Posted 12 years ago by Jon Heaton
Version: 12.1.0302
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How can I do if then else in RegexPatternGroups?  I've tried (?if then|else).  Any ideas?

I am modifying the html states and have some custom script that could be inside of an html attribute's value.  So if I encounter the string "[%" then I want to check for the ending string "%]" and allow quotes inside of the string, otherwise I want to match on anything but quotes ([^"]+).

Any help/suggestions appreciated.

Comments (2)

Posted 12 years ago by Jon Heaton
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Also, do you support non-capturing groups?

Answer - Posted 12 years ago by Actipro Software Support - Cleveland, OH, USA
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Hi Jon,

I'm sorry but our regex engine doesn't support alternations or non-capturing groups.

What you'd have to do is in the state for the attribute value, have a child state for your [% ... %] range.  Then have a pattern that consumes all characters except for quotes and [ characters.  That way, if a [ is in the value, the lexer will break and re-examine it to see if it is the start of a child state.


Actipro Software Support

The latest build of this product (v24.1.0) was released 1 month ago, which was after the last post in this thread.

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