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https://issues.apache.org/jira/browse/LANG-1729?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Gary D. Gregory resolved LANG-1729.
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Fix Version/s: 3.20.1
Resolution: Fixed
[~xdex]
Please see git master and snapshot builds in
https://repository.apache.org/content/repositories/snapshots/
Only float and double parsing don't allow full-width Unicode digits; these two
require ASCII digits.
> NumberUtils.isParsable() returns true for full width Unicode digits for
> inputs with a decimal point
> ---------------------------------------------------------------------------------------------------
>
> Key: LANG-1729
> URL: https://issues.apache.org/jira/browse/LANG-1729
> Project: Commons Lang
> Issue Type: Bug
> Components: lang.math.*
> Affects Versions: 3.14.0
> Reporter: Andrei Anischevici
> Priority: Major
> Fix For: 3.20.1
>
>
> *NumberUtils.isParsable()* returns *true* for Fullwidth Unicode digits
> (U+FF10 to U+FF19, see
> [https://en.wikipedia.org/wiki/Halfwidth_and_Fullwidth_Forms_(Unicode_block)]),
> even though these cannot be parsed by *Double.parseDouble()* and
> {*}Float.parseFloat(){*}, as {*}NumberFormatException{*}s are thrown when
> trying to parse these.
> I've also opened a JDK bug, see
> [https://bugs.java.com/bugdatabase/view_bug?bug_id=JDK-8326627] and
> [https://bugs.openjdk.org/projects/JDK/issues/JDK-8326627]
> Since the underlying issue is that *Character.isDigit()* returns *true* for
> fullwidth digits and until this is fixed in the JDK, it would be great to fix
> this in *NumberUtils.isParsable()* so that it would return *false* for
> Fullwidth Unicode digits.
> Gist reproducing the issue:
> [https://gist.github.com/XDex/2e300189a07e8224524100f26b5f6b46]
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