public static String deleteAny(String inString, String charsToDelete) {
		if (!hasLength(inString) || !hasLength(charsToDelete)) {
			return inString;
		}
		StringBuilder builder = new StringBuilder();
		for (int i = 0; i < inString.length(); i++) {
			char c = inString.charAt(i);
			if (charsToDelete.indexOf(c) == -1) {
				builder.append(c);
			}
		}
		return builder.toString();
	}