正則表達式——ip地址、mac地址、隔位插入

原創 Coder Ben 2020-04-15 22:10

IP地址：

/((2[0-4]\d|25[0-5]|[01]?\d\d?)\.){3}(2[0-4]\d|25[0-5]|[01]?\d\d?)/.test(ip)

MAC地址：

/^[A-F0-9]{2}(-[A-F0-9]{2}){5}$/.test(mac)

每隔2個字符，插入一個'-'

str.replace(/(.{2})/g, '$1-')

 

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