Method trimLeading

src/main/java/net/optifine/util/StrUtils.java:779–801

(String str, String chars)

    }

    public static String trimLeading(String str, String chars)
    {
        if (str != null && chars != null)
        {
            int i = str.length();

            for (int j = 0; j < i; ++j)
            {
                char c0 = str.charAt(j);

                if (chars.indexOf(c0) < 0)
                {
                    return str.substring(j);
                }
            }

            return "";
        }
        else
        {
            return str;
        }
    }

    public static String trimTrailing(String str, String chars)
    {