Github user PascalSchumacher commented on a diff in the pull request:
https://github.com/apache/commons-lang/pull/136#discussion_r62429812
--- Diff: src/main/java/org/apache/commons/lang3/StringUtils.java ---
@@ -8471,4 +8471,384 @@ public static String wrap(final String str, final
String wrapWith) {
return wrapWith.concat(str).concat(wrapWith);
}
+
+ /**
+ * <p>
+ * Unwraps the String from unwrapChar char.
+ * <p>
+ *
+ * <p>
+ * A {@code null} input String returns {@code null}.
+ * </p>
+ *
+ * <pre>
+ *
+ * StringUtils.unwrap(null, *) = null
+ *
+ * StringUtils.unwrap("", '\0') = ""
+ * StringUtils.unwrap("xabx", 'x') = "ab"
+ * StringUtils.unwrap("\"ab\"", '\"') = "ab"
+ * StringUtils.unwrap("\"\"ab\"\"", '\"') = "\"ab\""
+ * StringUtils.unwrap("'ab'", '\'') = "ab"
+ * StringUtils.unwrap("''ab''", '\'') = "'ab'"
+ * StringUtils.unwrap("'''ab'''", '\'') = "''ab''"
+ * StringUtils.unwrap("'\"abcd\"'", '\'') = "\"abcd\""
+ * StringUtils.unwrap("'\"abcd\"'", '\"') = "'\"abcd\"'"
+ *
+ * </pre>
+ *
+ * <p>
+ * Pay attention when using this method. It unwraps the string from
outside to inside the whole string.
+ * For example: <pre> StringUtils.unwrap("'name' sometext 'name'",
'\'') </pre>
+ * returns <pre>"name' sometext 'name"</pre>
+ * not <pre>"name sometext name"</pre>
+ * </p>
+ *
+ * @param str
+ * the String to be unwrapped, may be null
+ * @param unwrapChar
+ * the char that will unwrap str from the left side and
right side
+ * @return wrapped String, {@code null} if null String input
+ * @since 3.4
--- End diff --
I guess this should be `3.5`?
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