Regex for IPv6 Address

javascript

const regex = /^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$/;
const isValid = regex.test(value);

python

import re
pattern = r'^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$'
if re.match(pattern, value):
    print("valid")

ruby

pattern = /^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$/
if value =~ pattern
  puts "valid"
end

php

if (preg_match('/^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$/', $value)) {
    echo "valid";
}

java

String pattern = "^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$";
boolean isValid = value.matches(pattern);