Iso Date Pattern Java Example
iso date pattern java example for production applications
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Community Rating
⭐
93%
426 likes
Regular Expression
/^\d{4}-\d{2}-\d{2}$/
Explanation
This regex pattern validates iso date pattern java example. Commonly used by developers for input validation and form checking.
Code Examples
JavaScript Example
javascript
// iso date pattern java example - JavaScript
const regex = /^\d{4}-\d{2}-\d{2}$/;
function validate(input) {
if (!input || typeof input !== 'string') return false;
return regex.test(input.trim());
}
// Usage examples
console.log(validate('2023-12-25')); // true
console.log(validate('2023-13-25')); // falsePython Example
python
# iso date pattern java example - Python
import re
pattern = r"^\d{4}-\d{2}-\d{2}$"
regex = re.compile(pattern)
def validate(input_str):
if not input_str or not isinstance(input_str, str):
return False
return bool(regex.match(input_str.strip()))
# Usage examples
print(validate('2023-12-25')) # True
print(validate('2023-13-25')) # FalsePHP Example
php
<?php
// iso date pattern java example - PHP
function validate($input) {
if (!is_string($input) || empty(trim($input))) {
return false;
}
$pattern = '/^\d{4}-\d{2}-\d{2}$/';
return preg_match($pattern, trim($input)) === 1;
}
// Usage examples
var_dump(validate('2023-12-25')); // bool(true)
var_dump(validate('2023-13-25')); // bool(false)
?>PHP Example
java
// Iso Date Pattern Java Example - Java
import java.util.regex.Pattern;
public class RegexValidator {
private static final Pattern pattern = Pattern.compile("^\d{4}-\d{2}-\d{2}$");
public static boolean validate(String input) {
if (input == null || input.trim().isEmpty()) {
return false;
}
return pattern.matcher(input.trim()).find();
}
// Usage examples
public static void main(String[] args) {
System.out.println(validate("test-input")); // Check pattern match
}
}Test Cases
✓ Should Match
2023-12-25
2024-01-01
✗ Should NOT Match
2023-13-25
invalid
Performance
Speed
medium
Memory
efficient