Talk:File extension is in extensions list
Dupe?
I know it's not exactly the same but is this a close duplicate of Search a list? This one has an odd requirement that it has to be a file extension, but the other one has the extra requirement of using an indexed list. I think they're close enough and Search a list has the advantage of already being implemented a lot and not restricting the data. --Mwn3d (talk) 16:56, 11 August 2014 (UTC)