RFR: 8271302: Regex Test Refresh [v5]

[Ian Graves]

> 8271302: Regex Test Refresh

Ian Graves has updated the pull request incrementally with one additional commit since the last revision:

  Removing some notes re JUnit5

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/5092/files
  - new: https://git.openjdk.java.net/jdk/pull/5092/files/3f01c172..0845a56f

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5092&range=04
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5092&range=03-04

  Stats: 2 lines in 1 file changed: 0 ins; 1 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5092.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5092/head:pull/5092

PR: https://git.openjdk.java.net/jdk/pull/5092