public static long convertDelayString(String delay){
    long time = 0L;
    int multiplier = 0;
    int base = 1;
    byte[] chars = delay.toLowerCase().getBytes();
    byte num = 0;
    for(int i = chars.length-1; i >= 0; i--){
        if(((num=(byte)(chars[i]^0x30))&0xF0)==0){
            time += num * multiplier * base;
            base *= 0x0A;
            continue;
        }else if(chars[i] == 'h')
            multiplier = 0x36EE80;
        else if(chars[i] == 'm')
            multiplier = 0xEA60;
        else if(chars[i] == 's')
            multiplier = 0x3E8;
        else
            continue;
        base = 1;
    }
    return time;
}