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https://issues.apache.org/jira/browse/TEXT-98?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Rob Tompkins resolved TEXT-98.
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Resolution: Implemented
Minor change. We {{@Deprecated}} the {{isDelimiter}} method with the intention
of removing it in 2.0.
> Remove isDelimiter() and use HashSets for delimiter check
> ---------------------------------------------------------
>
> Key: TEXT-98
> URL: https://issues.apache.org/jira/browse/TEXT-98
> Project: Commons Text
> Issue Type: Improvement
> Affects Versions: 1.1
> Reporter: Arun Vinud
> Priority: Minor
> Fix For: 1.2
>
>
> The current implementation of *capitalize*, *uncapitalize* and *initials* in
> *WordUtils* calls *isDelimiter* for every character and/or codepoint and
> isDelimiter loops through the array of delimiters to check for the
> occurrence. This is a bit inefficient and results in O(nk) complexity and it
> can be reduced to O( n )[if n>k] or O( k ) [if k>n].
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