Directory

Keyword = search and replace
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Listing
Wordpress Search and Replace Plugin
Search and replace virtually anything in wordpress with this plugin from posts, to author info, comment URL's or emails, titles, meta data, descriptions, category descriptions, and more!
http://wordpress.org/extend/plugins/search-and-replace/ - detail
Google PR :
Search Regex Plugin
With the Search Regex Wordpress plugin you can use regular expressions to search and replace just about anything in your Wordpress database!
http://urbangiraffe.com/plugins/search-regex/ - detail
Google PR :