the search is only done on the parameters table the existing search extension used on jeditorpane was updated to make it work on any component (you have to implement the specific logic)
PR https://github.com/apache/jmeter/pull/73
Date: Thu Jan 14 13:35:03 2016 New Revision: 1724605 URL: http://svn.apache.org/viewvc?rev=1724605&view=rev Log: Bug 58849 - View Results Tree : Add a search panel to the request http view to be able to search in the parameters table #resolve #73 Bugzilla Id: 58849 Modified: jmeter/trunk/src/components/org/apache/jmeter/visualizers/SamplerResultTab.java jmeter/trunk/src/components/org/apache/jmeter/visualizers/SearchTextExtension.java jmeter/trunk/src/protocol/http/org/apache/jmeter/protocol/http/visualizers/RequestViewHTTP.java jmeter/trunk/xdocs/changes.xml
This issue has been migrated to GitHub: https://github.com/apache/jmeter/issues/3775