regex password

const pattern = /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/;

// Test a string
console.log(pattern.test("Passw0rd!")); // true
console.log(pattern.test("password")); // false

// Match and extract
const result = "Passw0rd!".match(pattern);

import re

pattern = r"^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$"

# Test a string
if re.fullmatch(pattern, "Passw0rd!"):
    print("Valid")

# Find all matches in text
matches = re.findall(pattern, text)

import java.util.regex.*;

String pattern = "^(?=.*[a-z])(?=.*[A-Z])(?=.*\\d)(?=.*[@$!%*?&])[A-Za-z\\d@$!%*?&]{8,}$";
Pattern p = Pattern.compile(pattern);

Matcher m = p.matcher("Passw0rd!");
boolean isValid = m.matches(); // true

// Find occurrences
Matcher finder = p.matcher(inputText);
while (finder.find()) {
    System.out.println(finder.group());
}