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Posted to user@struts.apache.org by Laurie Harper <la...@holoweb.net> on 2005/07/29 21:38:43 UTC
Re: [OT] jakarta taglibg countMatches syntax
temp temp wrote:
> I want index of substring from a string . I would
> like to acheive this using jsp tags. I found
> jakarta taglib countMatches tag which would print
> no of times substring is present in the
> string.Rather than printing I want to capture the
> output from this jsp tag into a variable .This tag
> also provides this ability by declaring var
> attribute which will capture the result of this tag.
> My problem is I am unable to declare a var attribute
> in this jsp tag or I doing somethig wrong with the
> syntax of this tag.Can somebody guide me the proper
> syntax for using this tag.
>
> <str:countMatches substring="world">Hello world
> programs are rife in this world due to their worldy
> view of how to program a world of
> code</str:countMatches>
> thanks & regards
countMatches isn't a Struts tag, but a quick google search for it's
documentation [1] would suggest the following should be what you want:
<str:countMatches var="count" substring="world">...</str:countMatches>
I don't see how that's going to get you what you wanted, though, since it
would set 'count' to the number of times 'world' apears in the body text,
not to the index of the first occurrence.
To do that, look at the indexOf function in the JSTL taglibs [2]. If you
still need help getting countMatches to work you should ask on the
taglibs-user list [3].
L.
[1] http://jakarta.apache.org/taglibs/doc/string-doc/string-1.1.0/
[2] http://java.sun.com/products/jsp/jstl/1.1/docs/tlddocs/fn/indexOf.fn.html
[3] http://jakarta.apache.org/taglibs/index.html#MailingLists
--
Laurie, Open Source advocate, Java geek and novice blogger:
http://www.holoweb.net/laurie
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