301 Assist, please

This redirect will be used on our host, WPEngine, using their redirect tool; in other words, I will not be placing this into an htaccess file. So, this needs to be a 301 redirect — not a mod rewrite. Their tool allows me to input a 'source' url and 'destination' url.
So, this is what I need to do:
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EXAMPLE
Source: /folder/*3847*.php
Destination (redirect to): http://www.somewhere.com/folder/folder/…
301 Assist, please

See original post by jmueller0823