How to add a custom validation to Magento prototype

Question

I want to make a simple url validator for some custom fields. I tried the default ones (adding the class validate-url or validate-clean-url to the inp

Answer 1

You can create your own custom validation function using

See http://magento-quickies.tumblr.com/post/6579512188/magento-custom-form-validation

or

if(Validation) {       
   Validation.addAllThese([     
    [
        'validation-myown',      
        'Please insert proper word',   
        function(v,r){ return v.indexOf('valid')==-1?false:true } 
    ],
   [ ]   
])
}

see http://blog.baobaz.com/en/blog/custom-javascript-form-validators