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public/bower_components/jquery-validation/src/additional/nifES.js

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+/*
+ * The Número de Identificación Fiscal ( NIF ) is the way tax identification used in Spain for individuals
+ */
+$.validator.addMethod( "nifES", function( value ) {
+	"use strict";
+
+	value = value.toUpperCase();
+
+	// Basic format test
+	if ( !value.match( "((^[A-Z]{1}[0-9]{7}[A-Z0-9]{1}$|^[T]{1}[A-Z0-9]{8}$)|^[0-9]{8}[A-Z]{1}$)" ) ) {
+		return false;
+	}
+
+	// Test NIF
+	if ( /^[0-9]{8}[A-Z]{1}$/.test( value ) ) {
+		return ( "TRWAGMYFPDXBNJZSQVHLCKE".charAt( value.substring( 8, 0 ) % 23 ) === value.charAt( 8 ) );
+	}
+
+	// Test specials NIF (starts with K, L or M)
+	if ( /^[KLM]{1}/.test( value ) ) {
+		return ( value[ 8 ] === String.fromCharCode( 64 ) );
+	}
+
+	return false;
+
+}, "Please specify a valid NIF number." );