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ASF GitHub Bot commented on GEODE-7956: --------------------------------------- dschneider-pivotal commented on a change in pull request #5159: URL: https://github.com/apache/geode/pull/5159#discussion_r432741553 ########## File path: geode-core/src/main/java/org/apache/geode/internal/cache/RegionNameValidation.java ########## @@ -24,7 +24,7 @@ public class RegionNameValidation { - private static final Pattern NAME_PATTERN = Pattern.compile("[aA-zZ0-9-_.]+"); + private static final Pattern NAME_PATTERN = Pattern.compile("[a-zA-Z\\[\\]0-9-_.]+"); Review comment: I see your comment now about the old regex allowing extra characters. Can you enhance the RegionNameValidationTest to demonstrate that these were allowed before. I think it would be safest to just document all the characters already supported in a region name by the product and not change it. If someone already put one of those characters in their region name we done want to break them. I don't understand how the old regex let those sneak in. Did aA-zZ include ^, `, [, ], and backslash somehow? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > Correct documentation of legal region names > ------------------------------------------- > > Key: GEODE-7956 > URL: https://issues.apache.org/jira/browse/GEODE-7956 > Project: Geode > Issue Type: Bug > Components: docs > Reporter: Darrel Schneider > Assignee: Mario Kevo > Priority: Major > > According to this: > https://geode.apache.org/docs/guide/111/basic_config/data_regions/region_naming.html > region names can only contain alphanumeric, dash, and underscore. > But the product also supports a dot '.'. > See RegionNameValidation and RegionNameValidationTest -- This message was sent by Atlassian Jira (v8.3.4#803005)