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@$!%*?&]{8,}$/gTest 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$valid-input-1valid-input-2valid-input-3Should Not Match (5)
weak123invalid-input-1invalid-input-2invalid-input-3Code Examples
// minimum password check csharp example - JavaScript
const regex = /^(?=.*[a-z])(?=.*[A-Z])(?=.*\d)(?=.*[@$!%*?&])[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)
?>Performance
Speed
fast
Memory Usageminimal
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