[I] use compiled regex [pekko-management]

["pjfanning (via GitHub)" <gi...@apache.org>]

pjfanning opened a new issue, #852:
URL: https://github.com/apache/pekko-management/issues/852

   I don't think that any of the regex code in this module is on the hotpath but we could potentially change our String.replaceAll(regex, newValue) calls with:
   ```
   import java.util.regex.Pattern
   
   val UNDERSCORE_OR_DOT = Pattern.compile("[_.]");
   val Pattern INVALID_CHARS = Pattern.compile("[^-a-z0-9]");
   
       val str: String = ...
       val withHyphens = UNDERSCORE_OR_DOT.matcher(lower).replaceAll("-")
       val normalized = INVALID_CHARS.matcher(withHyphens).replaceAll("")
   ```
   
   There are 5 or 6 different regexes that could be looked at. 


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Re: [I] use compiled regex [pekko-management]

["pjfanning (via GitHub)" <gi...@apache.org>]

pjfanning closed issue #852: use compiled regex
URL: https://github.com/apache/pekko-management/issues/852


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