How to check for alphanumeric characters

Question

I\'m writing a custom method for a jQuery plugin:

jQuery.validator.addMethod(\"alphanumeric\", function(value, element) {
        return this.optional(elemen         


        

Answer 1

If you want to use Spanish chars in your alphanumeric validation you can use this:

jQuery.validator.addMethod("alphanumeric", function(value, element) {
    return this.optional(element) || /^[a-zA-Z0-9áéíóúÁÉÍÓÚÑñ ]+$/.test(value);
});

I also added a blank space to let users add words