Maksym Korshun created LANG-1830:
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Summary: Avoid repeated regex compilation in
ClassUtils.toCleanName()
Key: LANG-1830
URL: https://issues.apache.org/jira/browse/LANG-1830
Project: Commons Lang
Issue Type: Improvement
Components: lang.*
Reporter: Maksym Korshun
ClassUtils.toCleanName() currently validates the array suffix using
String.matches(), which recompiles the regular expression on every call.
Replace the repeated call to String.matches("(?:\\[\\])+") with a
private static final Pattern and reuse it for validation.
This reduces unnecessary regex compilation in a frequently used utility
method without changing behavior.
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