Zend_valdiate_alpha combined with special characters

Zend_valdiate_alpha combined with special characters

Need to combine An alphanumeric character or underscore with string . for example : need to add control for City nam开发者_如何学Goe with

not necessary with zend_alpha it can be another way

any suggestions ??

I have exactly the same problem. I need to allow commas, alphas, and whitespaces. The most simple solution, I can think of, is to define callback validation function like this:

$myValidator = new Zend_Validate_Callback(function($value) {
    $value = preg_replace('/,/', '', $value);
    $alphaValidator = new Zend_Validate_Alpha(array('allowWhiteSpace' => true));
    if ($alphaValidator->isValid($value)) return true;
    return false;
});

And using it like this:

if ($myValidator->isValid($input)) {
    // input valid
} else {
    // input invalid
}

I know this is old but perhaps it can help somebody and I would be interested if there is a simpler solution.