landline#

Built-in regex plugin for validating landline numbers.

Usage Scenarios#

• Form Validation: Validate landline number input fields.
• User Registration: Verify landline numbers during signup.
• Contact Verification: Ensure valid numbers before sending important notifications.

Examples#

import { regex } from 'funtool';

// Basic validation
const isValid = regex.checker('010-12345678').use('landline').isValid();

// With error handling
const result = regex.checker('invalid').use('landline');
if (!result.isValid()) {
  console.log('Invalid landline number');
}

Pattern#

/^0\d{2,3}-?\d{7,8}$/

Validation Rules#

• Must start with 0.
• Followed by 2 to 3 digits.
• An optional hyphen can be included.
• End with 7 to 8 digits.

Error Message#

Returns false for invalid landline numbers without a specific message.