tags cannot be added to post when using armenian language interface

[noch]

when wordpress interface language is Armenian, tags cannot be added to posts.

after switching interface language to English, tags can be added.

version 4.4.2, downloaded and installed yesterday.

[afercia]

Hello @noch and welcome to Trac. That's interesting. The Armenian translation translates the tag delimiter with a dot '.' so the following in tagBox.clean()

tags = tags.replace(new RegExp(comma, 'g'), ',');

becomes:

tags = tags.replace(new RegExp( '.', 'g'), ',');

which means "replace any character, globally (i.e. all matches) with a comma" and the final result is an empty string because all commas get removed in following replacements. So, comma passed to the regex should probably be escaped when it's a special character. To be honest, I don't understand the second check for if ( ',' !== comma ) which re-adds back the original delimiter, so I'd appreciate someone with more historical knowledge than me to have a look at this :) See [19853]. cc @azaozz