[jira] [Created] (ISIS-1241) Providing better feedback when RegEx validation does not match pattern

["Yuri Tan (JIRA)" <ji...@apache.org>]

Yuri Tan created ISIS-1241:
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             Summary: Providing better feedback when RegEx validation does not match pattern
                 Key: ISIS-1241
                 URL: https://issues.apache.org/jira/browse/ISIS-1241
             Project: Isis
          Issue Type: Improvement
          Components: Core
    Affects Versions: 1.9.0
            Reporter: Yuri Tan
            Assignee: Dan Haywood
            Priority: Minor


Currently, when using RegEx validation, the error message could be improved. When the input isn't valid, the following string is shown: "Doesn't match pattern". But it doesn't tell you to which pattern the value must match. Therefore I think that adding regexPatternDescription() next to the existing regexPattern() could be an improvement. This way an incorrect pattern can be clarified to a human-being by returning the patternDescription. 



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