Last updated: 3 min ago
PatternsgeographicZip Code Check Java Example

Zip Code Check Java Example

zip code check java example for production applications

advanced
java
70%(1661 tests)
medium
47651

Regex Pattern

/^\d{5}(-\d{4})?$/

How it Works

This regex pattern validates zip code check java example. Commonly used by developers for input validation and form checking.

Test This Pattern

Regex Pattern Tester

Pattern is valid/^\d{5}(-\d{4})?$/g

Test Single Input

Test Multiple Inputs

Run Predefined Test Cases

Should Match (5)

12345
12345-6789
valid-input-1
valid-input-2
valid-input-3

Should Not Match (5)

1234
invalid
invalid-input-1
invalid-input-2
invalid-input-3

Test Cases

Should Match (5)

12345
12345-6789
valid-input-1
valid-input-2
valid-input-3

Should Not Match (5)

1234
invalid
invalid-input-1
invalid-input-2
invalid-input-3

Code Examples

// zip code check java example - JavaScript
const regex = /^\d{5}(-\d{4})?$/;

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

// Usage examples
console.log(validate('12345')); // true
console.log(validate('1234')); // false
# zip code check java example - Python
import re

pattern = r"^\d{5}(-\d{4})?$"
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('12345'))  # True
print(validate('1234'))  # False
<?php
// zip code check java example - PHP
function validate($input) {
    if (!is_string($input) || empty(trim($input))) {
        return false;
    }
    
    $pattern = '/^\d{5}(-\d{4})?$/';
    return preg_match($pattern, trim($input)) === 1;
}

// Usage examples
var_dump(validate('12345')); // bool(true)
var_dump(validate('1234')); // bool(false)
?>