stagiaire inria lille dascq created LANG-1028:
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Summary: CLONE - StringUtils.countMatches loops forever if
substring empty
Key: LANG-1028
URL: https://issues.apache.org/jira/browse/LANG-1028
Project: Commons Lang
Issue Type: Bug
Components: lang.*
Environment: Operating System: Linux
Platform: PC
Reporter: stagiaire inria lille dascq
If you do say StringUtils.countMatches("x", ""), then it goes into an infinite
loop.
Also sub isn't checked for null if str is null also. For instance
StringUtils.countMatches(null, null) should throw an NPE instead of 0.
To fix both problems put the following code at the start of the method:
if (sub.equals("")) {
return 0;
}
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