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Add example to combine rules with OR #57

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Add example to combine rules with OR #57

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Expand Up @@ -174,6 +174,32 @@ So the correct code looks slightly different:
});
</code></pre>

## Combining validators (for example, fulfill one rule OR another)

The current format for rules ANDs all the rules that are specified.
<pre><code>
rules: {
// simple rule, converted to {required:true}
name: "required",
// compound rule
email: {
required: true,
email: true
}
}
</code></pre>

When multiple rules need to be combined a custom rule can be created that glues the logic. For example requiring one field to validate as a Spanish NIF or NIE the following code can be added to your project.
<pre><code>
jQuery.validator.addMethod( "nifnieES", function( value, element ) {
"use strict";

return jQuery.validator.methods.nifES.call(this, value, element) || jQuery.validator.methods.nieES.call(this, value, element);

}, "Please specify a valid NIF/NIE number." );
</code></pre>
Then the rule nifnieES can be used.

# Demos

## [The Marketo sign-up form](https://jqueryvalidation.org/files/demo/marketo/)
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