Method removePrefix

src/main/java/net/optifine/util/StrUtils.java:507–522

(String str, String prefix)

    }

    public static String removePrefix(String str, String prefix)
    {
        if (str != null && prefix != null)
        {
            if (str.startsWith(prefix))
            {
                str = str.substring(prefix.length());
            }

            return str;
        }
        else
        {
            return str;
        }
    }

    public static String removeSuffix(String str, String suffix)
    {