RFR: JDK-6609854: Regex does not match correctly for negative nested character classes

*Pretext* The reference implementation has strange behavior when there are nested character classes involved. This is described briefly in the bug report: https://bugs.openjdk.java.net/browse/JDK-6609854 And also brought up again with more details on stackoverflow.com

RFR: 7171390 - The bug describe is a typo

I request that JDK-7171390 be closed, since there is a typo in the bug report Copied from the bug report 1 - String r1=blah - * ^% $^ [gf].replaceAll([a-zA-Z0-9], -); 2 - String r2=blah - * ^% $^ [gf].replaceAll([0-9a-zA-z], -); The regex from String r2 specifies A-z, instead of A-Z. The