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https://issues.apache.org/jira/browse/LANG-507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12733034#action_12733034
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Henri Yandell commented on LANG-507:
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*nudge to Gregor*
> StringEscapeUtils.unescapeJava should support \u+ notation
> ----------------------------------------------------------
>
> Key: LANG-507
> URL: https://issues.apache.org/jira/browse/LANG-507
> Project: Commons Lang
> Issue Type: Improvement
> Affects Versions: 2.4
> Reporter: Gregor B. Rosenauer
> Priority: Trivial
> Fix For: 3.0
>
>
> Currently, when trying to unescape a String with Unicode escapes in the
> common notation, e.g., \u+0022, I get a NumberFormatException:
> org.apache.commons.lang.exception.NestableRuntimeException: Unable to parse
> unicode value: +002
> Note that the number is also parsed incorrectly as it is shortened by one
> character (obviously, the parser gets confused by the '+' and only takes up
> to 4 bytes, so it neglects the last digit).
> I am aware that in Java, Unicode is escaped as "\u" followed by 4 bytes that
> represent the hex code in the Unicode map, but the \u+ notation is commonly
> used outside the Java world and it would be very handy if StringEscapeUtils
> supported that, at least as an option.
> Would you please consider adding this feature to 3.0?
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