jodd-mail/src/main/java/jodd/mail/RFC2822AddressParser.java
private static String removeAnyBounding(final char s, final char e, final String str) {
		if (str == null || str.length() < 2) {
			return str;
		}

		if (str.startsWith(String.valueOf(s)) && str.endsWith(String.valueOf(e))) {
			return str.substring(1, str.length() - 1);
		}

		return str;
	}
private static String removeAnyBounding(final char s, final char e, final String str) {
		if (str == null || str.length() < 2) {
			return str;
		}

		if (str.startsWith(String.valueOf(s)) && str.endsWith(String.valueOf(e))) {
			return str.substring(1, str.length() - 1);
		}

		return str;
	}
If the string starts and ends with start and end char, remove them,
otherwise return the string as it was passed in.