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https://issues.apache.org/jira/browse/LANG-521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Henri Yandell closed LANG-521.
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Resolution: Fixed
Fixed in 893088.
Both createNumber and isNumber now accept "2.". createNumber returns a Float in
that case.
> NumberUtils.isNumber() Should Return True for Valid Number with a Trailing
> Decimal Place
> ----------------------------------------------------------------------------------------
>
> Key: LANG-521
> URL: https://issues.apache.org/jira/browse/LANG-521
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.math.*
> Affects Versions: 2.4
> Environment: Windows XP SP3, Intel CPU
> Reporter: Chris Rompot
> Priority: Minor
> Fix For: 3.0
>
>
> NumberUtils.isNumber() should return true for a valid number ending in a
> trailing decimal place; e.g., "2." should be considered a number because new
> BigDecimal("2.") works fine. This could be done by adding the code below
> after line 1444, which is the if (chars[i] == 'e' || chars[i] == 'E') block.
> if (chars[i] == '.') {
> if (hasDecPoint || hasExp) {
> // two decimal points or dec in exponent
> return false;
> }
> return foundDigit; // single trailing decimal point after non-exponent is
> ok
> }
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