Date Format Check Php - Energy
date format check php for production applications Energy industry implementation with compliance considerations. Technical guidance only - consult experts for production compliance.
advanced
php
65%(5220 tests)
fast
24850
Regex Pattern
/^\d{4}-\d{2}-\d{2}$/How it Works
This regex pattern validates date format check php. Commonly used by developers for input validation and form checking.
Test This Pattern
Regex Pattern Tester
Pattern is valid
/^\d{4}-\d{2}-\d{2}$/gTest Single Input
Test Multiple Inputs
Run Predefined Test Cases
Should Match (5)
2023-12-25
2024-01-01
valid-input-1
valid-input-2
valid-input-3
Should Not Match (5)
2023-13-25
invalid
invalid-input-1
invalid-input-2
invalid-input-3
Test Cases
Should Match (5)
2023-12-252024-01-01valid-input-1valid-input-2valid-input-3Should Not Match (5)
2023-13-25invalidinvalid-input-1invalid-input-2invalid-input-3Code Examples
// date format check php - JavaScript
const regex = /^\d{4}-\d{2}-\d{2}$/;
function validate(input) {
if (!input || typeof input !== 'string') return false;
return regex.test(input.trim());
}
// Usage examples
console.log(validate('2023-12-25')); // true
console.log(validate('2023-13-25')); // false# date format check php - Python
import re
pattern = r"^\d{4}-\d{2}-\d{2}$"
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')) # False<?php
// date format check php - 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)
?>Performance
Speed
fast
Memory Usagelow
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