Timestamp Validation Php

timestamp validation php for production applications

php

beginner

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Regular Expression

/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z?$/

Explanation

This regex pattern validates timestamp validation php. Commonly used by developers for input validation and form checking.

Code Examples

JavaScript Example

javascript

// timestamp validation php - JavaScript
const regex = /^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z?$/;

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

// Usage examples
console.log(validate('2023-12-25T14:30:00Z')); // true
console.log(validate('invalid-datetime')); // false

Python Example

python

# timestamp validation php - Python
import re

pattern = r"^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z?$"
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('2023-12-25T14:30:00Z'))  # True
print(validate('invalid-datetime'))  # False

PHP Example

php

<?php
// timestamp validation php - PHP
function validate($input) {
    if (!is_string($input) || empty(trim($input))) {
        return false;
    }
    
    $pattern = '/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}(\.\d{3})?Z?$/';
    return preg_match($pattern, trim($input)) === 1;
}

// Usage examples
var_dump(validate('2023-12-25T14:30:00Z')); // bool(true)
var_dump(validate('invalid-datetime')); // bool(false)
?>