hg: jdk/sandbox: 8197462: Inconsistent exception messages for invalid capturing group names; ...

[chris.hegarty at oracle.com]

Changeset: 84b4ffbba8b0
Author:    igerasim
Date:      2018-02-12 21:06 -0800
URL:       http://hg.openjdk.java.net/jdk/sandbox/rev/84b4ffbba8b0

8197462: Inconsistent exception messages for invalid capturing group names
8179608: Error in comment in Pattern.java
Reviewed-by: sherman

! src/java.base/share/classes/java/util/regex/Pattern.java
! test/jdk/java/util/regex/RegExTest.java