Created
June 8, 2018 13:05
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validate subnet mask
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| var _isValidsubnet= function(mask){ | |
| if(/^(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))\.(\d|[1-9]\d|1\d\d|2([0-4]\d|5[0-5]))$/.test(mask) && mask !== "255.255.255.255"){ | |
| var _mask = mask.split("."); | |
| var str = _mask.map((val)=>{ return parseInt(val).toString(2)}).join(""); | |
| console.log(str); | |
| return ! (/01/.test(str)) | |
| } | |
| else{ | |
| return false; | |
| } | |
| } |
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Hope to test later today.