OSC – search and replace DB info from admin by Alanviv

I need a page created in admin where any database content can be changed from admin. This needs to work as follows: 1. Admin enters the content that must be replaced (example: mydomain.com) 2. Admin enters the content that this must be replaced with (example: yourdomain.com) 3… (Budget: $30-250, Jobs: OSCommerce, PHP)