Last updated: 3 min ago
PatternsgeographicZip Code Check Go Example

Zip Code Check Go Example

zip code check go example for production applications

advanced
javascript
70%(2619 tests)
fast
36329

Regex Pattern

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

How it Works

This regex pattern validates zip code check go 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 go 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 go 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 go 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)
?>