Chris Kelly created LANG-811:
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Summary: StringUtils.stripStart strips out too many characters
Key: LANG-811
URL: https://issues.apache.org/jira/browse/LANG-811
Project: Commons Lang
Issue Type: Bug
Components: lang.*
Affects Versions: 3.1, 3.0, 2.6, 2.5
Environment: N/A
Reporter: Chris Kelly
I have a String "Tag-TransactionId" for which I want to remove the leading
"Tag-" leaving only "TransactionId". I thought I could use
StringUtils.stripStart for this but when I do I get the string "ransactionId"
instead.
Below is a short method indicating the issue.
public static void main(String[] args) {
String key = "Tag-TransactionId";
String keyWithoutTag = StringUtils.stripStart(key, "Tag-");
String expected = "TransactionId";
System.out.println("Expected: " + expected + " but got: " +
keyWithoutTag);
}
I have tried repeating test on commons-lang from 2.5 upwards to the latest
release all with the same behaviour. It looks like if the string to be removed
has characters similar to the remaining string, the stripStart methods works
incorrectly. It seems to be a case problem as well. If I use
"Tag-transactionId" with stripStart it successfully returns "transactionId"
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