[jira] Created: (LANG-634) StringUtils.isNumeric returns false on negative value

[Arjan Moraal (JIRA)]

StringUtils.isNumeric returns false on negative value
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                 Key: LANG-634
                 URL: https://issues.apache.org/jira/browse/LANG-634
             Project: Commons Lang
          Issue Type: Bug
          Components: lang.*
    Affects Versions: 2.2
            Reporter: Arjan Moraal


StringUtils.isNumeric returns false for negative values.

So this unit test line will break the test:

                assertTrue(StringUtils.isNumeric("-1"));


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