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Gerardo Torres Ontiveros commented on LANG-1453: ------------------------------------------------ This issue is the same that [LANG-1406|https://issues.apache.org/jira/browse/LANG-1406] and realized that the solution I found doesn't work. There are more characters that have the same problem when are converted to lowercase and uppercase. > StringUtils.removeIgnoreCase("İa", "a") throws IndexOutOfBoundsException > ------------------------------------------------------------------------ > > Key: LANG-1453 > URL: https://issues.apache.org/jira/browse/LANG-1453 > Project: Commons Lang > Issue Type: Bug > Components: lang.text.* > Affects Versions: 3.8.1 > Reporter: Thomas Neerup > Priority: Critical > Time Spent: 2h > Remaining Estimate: 0h > > *try* { > String s = StringUtils._removeIgnoreCase_("İa", "a"); > } *catch* (Exception e) { > e.printStackTrace(); > } > output > java.lang.IndexOutOfBoundsException: start 3, end 2, s.length() 2 > at java.lang.AbstractStringBuilder.append(AbstractStringBuilder.java:539) > -- This message was sent by Atlassian JIRA (v7.6.3#76005)