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https://issues.apache.org/jira/browse/LANG-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Benedikt Ritter updated LANG-1016:
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Fix Version/s: Patch Needed
> NumberUtils#isParseable method(s)
> ---------------------------------
>
> Key: LANG-1016
> URL: https://issues.apache.org/jira/browse/LANG-1016
> Project: Commons Lang
> Issue Type: Wish
> Components: lang.math.*
> Reporter: Juan Pablo Santos RodrÃguez
> Fix For: Patch Needed
>
>
> (for background see
> [LANG-997|https://issues.apache.org/jira/browse/LANG-997?focusedCommentId=13991193&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13991193])
> It would be nice to have an {{isParseable}} method (or whatever it may be
> called), to be able to identify valid (=parseable) Numbers, something along
> the lines {{toDouble(String)}} / {{toLong(String)}} etc., but returning
> {{true}} / {{false}} while avoiding at the same time the
> {{try/catch(NumberFormatException)}} of those methods.
> This method would be similar to {{isNumber}}, but it should yield {{true}}
> for invalid octals like "018" which are parseable as Numbers. The point of
> this method is to identify "human" (neither hex nor octal, but should handle
> decimal points) numbers stored as Strings,
> We are using NumberUtils#isNumber to identify valid (parseable, human)
> numbers, but as of 3.3, this method also handles octal numbers, so, f.ex.,
> 018, which was recognized as a valid number, isn't recognized anymore as one.
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