+
+ /**
+ * create a single string by joining the elements of a list with
+ * another string.
+ */
+ std::string join(const string_list& l, const std::string& joinWith = "");
+
+ /**
+ * Test if a string starts with a string
+ *
+ * @param s The string to be tested
+ * @param substr The string to test
+ * @return True, if s starts with substr, False otherwise
+ */
+ bool starts_with( const std::string & s, const std::string & substr );
+
+ /**
+ * Test if a string ends with a string
+ *
+ * @param s The string to be tested
+ * @param substr The string to test
+ * @return True, if s ends with substr, False otherwise
+ */
+ bool ends_with( const std::string & s, const std::string & substr );