IP 位址格式檢查 - PHP & Python

PHP

$ip = "10.3.1.5";
if(!filter_var($ip, FILTER_VALIDATE_IP)) {
    echo "Not a valid IP address!";
}

$ip = "10.3.1.5";

if(!filter_var($ip, FILTER_VALIDATE_IP)) {

echo "Not a valid IP address!";

}

使用 try 測試 ip 是否正確

import ipaddress
try:
    print(ipaddress.IPv4Address('192.168.1.234'))
except Exception as e:
    print('ip error')

import ipaddress

try:

print(ipaddress.IPv4Address('192.168.1.234'))

except Exception as e:

print('ip error')

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