java判斷子網路遮罩

String[] ips = ipValue.split("//.");

String binaryVal = "";

for (int i = 0; i < ips.length; i++)

{

String binaryStr = Integer.toBinaryString(Integer.parseInt(ips[i]));

Integer times = 8 - binaryStr.length();

for(int j = 0; j < times; j++)

{

binaryStr = "0" + binaryStr;

}

binaryVal += binaryStr;

}

String regx = "^[1]*[0]*$";

if(isRegx(binaryVal, regx))

{

return true;

}

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