regular expressions

[kenche]

hi,
I'm trying to apply a filter, and it works fine as it is. The only thing is right now the filter only works on exact matches. Is there a way for me to use wildcards or regular expressions? I've attached a code snippet below. I'd greatly appreciate any advice.

Kenneth

var filterPath;
var subTree;
filterPath = "/contacts/contact/LastName [. = 'Ch'"]";
subTree = xmldoc.selectSingleNode(filterPath);

// is there a way to match Chan, Cheung, Chang, etc.

 

[MrTom]

regular expressions aren't built in to xpath. this is such a rediculous exclusion it makes me wonder who comes up with these specifications.
there is however some partial regex stuff which might do what you want (it's like how i'd expect a kid to design pattern matching . the function starts-with(a,b) returns true if value a starts with b. so you could have starts-with(@name, 'Ch').
there's also a few other matching things, like substring() substring-before/after() and translate() is particularly useful.

hth