Re: the last substring

> I have an element like:
> <elem>xxxxx.xxxxx.xxxx.1234</elem>
> 
> 
> I know substring-before() will read the value before
> the first '.'.
> 
> I wonder how I can read the value after the last '.',
> namely 1234.

last-substring ls str = first-substring reverse(ls) reverse(str)

An implementation of the reverse() function can be found at:

http://sources.redhat.com/ml/xsl-list/2001-11/msg00488.html

The first index of a substring is:

 string-length(substring-before(ls, str))

Cheers,
Dimitre Novatchev.


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