Magento. Add custom form validation pattern

mage_add_custom_form_validation_pattern.markdown

Add custom form validation pattern

Resource for test regular expression.

Examples lookin for into js/prototype/validation.js on line 414 and there you can add newcustom validation pattern.

Structure

    ['{className}', '{error message}', function(v) {
        return Validation.get('IsEmpty').test(v) || /{regular expression}/.test(v);
    }],

where:

• {className} - class name what will be added to field for checking field value on this pattern
• {error message} - message what will see user if validation not passed
• {regular expression} - regular expression for check field value

Validation for UA phone numbers like +38 (999) 999-99-99

    ['validate-phone', 'Please enter a valid phone number. For example +38 (999) 999-99-99.', function(v) {
        return Validation.get('IsEmpty').test(v) || /^(\+(38)\s)?(\(\d{3}\))?\s?(\d{3}[-. ]?\d{2}[-. ]?\d{2})$/.test(v);
    }],

Validation for RU phone numbers like a +7 (999) 999-99-99

    ['validate-phone', 'Please enter a valid phone number. For example +7 (999) 999-99-99.', function(v) {
        return Validation.get('IsEmpty').test(v) || /^(\+\d\s)?(\(\d{3}\))?\s?(\d{3}[-. ]?\d{2}[-. ]?\d{2})$/.test(v);
    }],