JS regular expression verification port range (0-65535)

JavaScript regular expressions verify port legality of IP address

if (!(/^[1-9]\d*$/.test(port) && 1 <= 1 * port && 1 * port <= 65535)){
 return false
}

Prompt copy:

Your port does not meet the range: 0-65535

PS: Let's take a look at JavaScript (Js) regular expression verification IP+port number

Development environment (blue bold text is special attention content)

1. Development language: JavaScript.

2. References: https:///article/

JavaScript verification of regular expressions for IP address and port, I won't thank you for taking it~~~

var ip="192.168.2.1:8080"
 var pattIp=/^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\:([0-9]|[1-9]\d{1,3}|[1-5]\d{4}|6[0-5]{2}[0-3][0-5])$/;
 if((ip)==false)
 {
 return false;
 }

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