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https://issues.apache.org/jira/browse/LANG-1304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15990694#comment-15990694
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ASF GitHub Bot commented on LANG-1304:
--------------------------------------
Github user PascalSchumacher commented on a diff in the pull request:
https://github.com/apache/commons-lang/pull/223#discussion_r114111595
--- Diff: src/main/java/org/apache/commons/lang3/StringUtils.java ---
@@ -7193,6 +7193,45 @@ public static boolean isAllUpperCase(final
CharSequence cs) {
return true;
}
+ /**
+ * <p>Checks if the CharSequence contains mixed casing of both
uppercase and lowercase characters.</p>
+ *
+ * <p>{@code null} will return {@code false}.
+ * An empty String (length()=0) will return {@code false}.</p>
+ *
+ * <pre>
+ * StringUtils.isMixedCase(null) = false
+ * StringUtils.isMixedCase("") = false
+ * StringUtils.isMixedCase("aBc") = true
+ * StringUtils.isMixedCase("ABC") = false
+ * StringUtils.isMixedCase("abc") = false
+ * StringUtils.isMixedCase("A c") = false
+ * StringUtils.isMixedCase("A1c") = false
+ * StringUtils.isMixedCase("a/C") = false
+ * </pre>
+ *
+ * @param cs the CharSequence to check, may be null
+ * @return {@code true} if contains both uppercase and lowercase
characters, and is non-null
+ */
+ public static boolean isMixedCase(final CharSequence cs) {
+ if (cs == null || isEmpty(cs)) {
+ return false;
+ }
+ boolean containsUppercase = false;
+ boolean containsLowercase = false;
+ final int sz = cs.length();
+ for (int i = 0; i < sz; i++) {
--- End diff --
@arbasha I believe you requested this feature, what is your opinion on this?
> Add a method in StringUtils to check for mixed case in string
> -------------------------------------------------------------
>
> Key: LANG-1304
> URL: https://issues.apache.org/jira/browse/LANG-1304
> Project: Commons Lang
> Issue Type: New Feature
> Components: lang.*
> Reporter: Arshad Basha
> Priority: Minor
>
> It would be nice to have a method that check whether the string has mixed
> (lower and upper) case.
> Examples:
> StringUtils.isMixedCase("passWORD"); //true
> StringUtils.isMixedCase("PASSWORD"); //false
> StringUtils.isMixedCase("password"); //false
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