Last updated: 3 min ago
PatternspasswordMinimum Password Check Csharp Example

Minimum Password Check Csharp Example

minimum password check csharp example for production applications

beginner
csharp
70%(816 tests)
fast
8756

Regex Pattern

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

How it Works

This regex pattern validates minimum password check csharp example. Commonly used by developers for input validation and form checking.

Test This Pattern

Regex Pattern Tester

Pattern is valid/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/g

Test Single Input

Test Multiple Inputs

Run Predefined Test Cases

Should Match (5)

MyPassword123!
SecurePass1$
valid-input-1
valid-input-2
valid-input-3

Should Not Match (5)

weak
123
invalid-input-1
invalid-input-2
invalid-input-3

Test Cases

Should Match (5)

MyPassword123!
SecurePass1$
valid-input-1
valid-input-2
valid-input-3

Should Not Match (5)

weak
123
invalid-input-1
invalid-input-2
invalid-input-3

Code Examples

// minimum password check csharp example - JavaScript
const regex = /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/;

function validate(input) {
  if (!input || typeof input !== 'string') return false;
  return regex.test(input.trim());
}

// Usage examples
console.log(validate('MyPassword123!')); // true
console.log(validate('weak')); // false
# minimum password check csharp example - Python
import re

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

def validate(input_str):
    if not input_str or not isinstance(input_str, str):
        return False
    return bool(regex.match(input_str.strip()))

# Usage examples
print(validate('MyPassword123!'))  # True
print(validate('weak'))  # False
<?php
// minimum password check csharp example - PHP
function validate($input) {
    if (!is_string($input) || empty(trim($input))) {
        return false;
    }
    
    $pattern = '/^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[A-Za-z\d@$!%*?&]{8,}$/';
    return preg_match($pattern, trim($input)) === 1;
}

// Usage examples
var_dump(validate('MyPassword123!')); // bool(true)
var_dump(validate('weak')); // bool(false)
?>