[8u-dev] Request for approval to backport: 8133232: [fs] Regex has redundant | in the char class

[Ivan Gerasimov]

Hi!

I'd like to backport this trivial fix to jdk8.
The fix applies cleanly after unshuffling.

Would you please approve?

Bug: https://bugs.openjdk.java.net/browse/JDK-8133232
Jdk9 change: http://hg.openjdk.java.net/jdk9/dev/jdk/rev/9934cd41afaa
Jdk9 review: 
http://mail.openjdk.java.net/pipermail/nio-dev/2015-August/003282.html

Sincerely yours,
Ivan