xslt - Substring xsl hithighlightedsummary in SharePoint -

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i have in hithighlightedsummary tag 

<ddd /> posted: 2/8/2011 10:04 pm <ddd /> subject: subject <ddd /> text  <ddd />

i 'some subject' sub string. have tried using "substring-after(hithighlightedsummary, 'subject:')", don't know how combine <ddd /> tag.

did mean this?

substring-after(    //hithighlightedsummary       /text()[          contains(.,'subject:')       ],    'subject:' )

note: i've used absolute expression because didn't provide information context.


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