[jira] [Resolved] (LANG-1783) WordUtils.containsAllWords​() may throw PatternSyntaxException

["Gary D. Gregory (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LANG-1783?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gary D. Gregory resolved LANG-1783.
-----------------------------------
      Assignee: Gary D. Gregory
    Resolution: Fixed

* Clone Commons Text ticket TEXT-232
 * Port change from Commons Text, even though the {{WordUtils}} class is deprecated in Lang.

> WordUtils.containsAllWords​() may throw PatternSyntaxException
> --------------------------------------------------------------
>
>                 Key: LANG-1783
>                 URL: https://issues.apache.org/jira/browse/LANG-1783
>             Project: Commons Lang
>          Issue Type: Bug
>            Reporter: Arnout Engelen
>            Assignee: Gary D. Gregory
>            Priority: Minor
>             Fix For: 3.19.0
>
>
> {{WordUtils.containsAllWords()}} checks if the String contains all words in the given array.
> Surprisingly, it interprets the words to be searched for as regular expressions, so for example searching for ")" would throw a PatternSyntaxException. Nothing in the javadoc nor the testcases suggests this is intentional.
> We could fix this by applying "{{{}Pattern.quote(){}}}" to the parameters, or by rejecting non-word characters outright.



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