Function isIpv4

isIpv4(value): boolean

检查是否为 ipv4 string

Parameters

value: string
字符串值

Returns boolean

Example

isIpv4('127.0.0.1'); /// true
isIpv4('255.255.255.0'); /// true
isIpv4('255.255.255.2555'); /// false
isIpv4('255.255.255.2555.255'); /// false