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https://issues.apache.org/jira/browse/LANG-573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12793594#action_12793594
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Alvin Chee commented on LANG-573:
---------------------------------
For password strength calculation
> Add new APIs to StringUtils (countLowerCase, countUpperCase, countDigits)
> -------------------------------------------------------------------------
>
> Key: LANG-573
> URL: https://issues.apache.org/jira/browse/LANG-573
> Project: Commons Lang
> Issue Type: New Feature
> Components: lang.*
> Reporter: Alvin Chee
>
> private static int countUpperCase(String s) {
> int cLen = s.length();
> int count = 0;
> for (int i = 0; i < cLen; i++) {
> if (Character.isUpperCase(s.charAt(i)))
> count++;
> }
> return count;
> }
> private static int countLowerCase(String s) {
> int cLen = s.length();
> int count = 0;
> for (int i = 0; i < cLen; i++) {
> if (Character.isLowerCase(s.charAt(i)))
> count++;
> }
> return count;
> }
> private static int countDigits(String s) {
> int cLen = s.length();
> int count = 0;
> for (int i = 0; i < cLen; i++) {
> if (Character.isDigit(s.charAt(i)))
> count++;
> }
> return count;
> }
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