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https://issues.apache.org/jira/browse/LANG-510?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12752241#action_12752241 ]
Henri Yandell commented on LANG-510:
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Other notes:
1) Underlying String/StrBuilder/StringBuffer indexOf methods all take String as the delimiter. So it would be very tempting to generate a String internally on the delimiter.
2) Boyer Moore implementation might be a useful feature in text.* or in Codec.
> Convert StringUtils API to take CharSequence
> --------------------------------------------
>
> Key: LANG-510
> URL:
https://issues.apache.org/jira/browse/LANG-510> Project: Commons Lang
> Issue Type: Improvement
> Reporter: Henri Yandell
> Fix For: 3.0
>
>
> Wherever possible, use CharSequence and not String in the StringUtils API.
> substring can go to subSequence inside code. The general substring method can be replaced with a subSequence method and substring deprecated(?). One question is whether to implement a CharSequence.indexOf type method. Given that it's merely a walking method(?!?), this might be quite handy and would allow a bunch of StringUtils methods to move over.
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