jquery-validation · Arkni · Nov 5, 2018 · Oct 1, 2018 · Oct 1, 2018 · Oct 1, 2018
diff --git a/src/additional/cnhBR.js b/src/additional/cnhBR.js
@@ -0,0 +1,49 @@
+/*
+ * Brazillian CNH number (Carteira Nacional de Habilitacao) is the License Driver number.
+ * CNH numbers have 11 digits in total: 9 numbers followed by 2 check numbers that are being used for validation.
+ */
+$.validator.addMethod( "cnhBR", function( value ) {
+
+  // Removing special characters from value
+  value = value.replace( /([~!@#$%^&*()_+=`{}\[\]\-|\\:;'<>,.\/? ])+/g, "" );
+
+  // Checking value to have 11 digits only
+  if ( value.length !== 11 ) {
+    return false;
+  }
+
+  var sum = 0, dsc = 0, firstChar,
+		firstCN, secondCN, i, j, v;
+
+  firstChar = value.charAt( 0 );
+
+  if ( new Array( 12 ).join( firstChar ) === value ) {
+    return false;
+  }
+
+  // Step 1 - using first Check Number:
+  for ( i = 0, j = 9, v = 0; i < 9; ++i, --j ) {
+    sum += +( value.charAt( i ) * j );
+  }
+
+  firstCN = sum % 11;
+  if ( firstCN >= 10 ) {
+    firstCN = 0;
+    dsc = 2;
+  }
+
+  sum = 0;
+  for ( i = 0, j = 1, v = 0; i < 9; ++i, ++j ) {
+    sum += +( value.charAt( i ) * j );
+  }
+
+  secondCN = sum % 11;
+  if ( secondCN >= 10 ) {
+    secondCN = 0;
+  } else {
+    secondCN = secondCN - dsc;
+  }
+
+  return ( String( firstCN ).concat( secondCN ) === value.substr( -2 ) );
+
+}, "Please specify a valid CNH number" );
diff --git a/src/localization/messages_pt_BR.js b/src/localization/messages_pt_BR.js
@@ -73,5 +73,6 @@ $.extend( $.validator.messages, {
 	zipcodeUS: "Por favor, forne&ccedil;a um c&oacute;digo postal americano v&aacute;lido.",
 	ziprange: "O c&oacute;digo postal deve estar entre 902xx-xxxx e 905xx-xxxx",
 	cpfBR: "Por favor, forne&ccedil;a um CPF v&aacute;lido.",
-	nisBR: "Por favor, forne&ccedil;a um NIS/PIS v&aacute;lido"
+	nisBR: "Por favor, forne&ccedil;a um NIS/PIS v&aacute;lido",
+	cnhBR: "Por favor, forne&ccedil;a um CNH v&aacute;lido."
 } );
diff --git a/test/additional/cnhBR.js b/test/additional/cnhBR.js
@@ -0,0 +1,6 @@
+QUnit.test( "cnhBR", function( assert ) {
+	var method = methodTest( "cnhBR" );
+	assert.ok( method( "00000000119" ), "Valid driver's license number" );
+	assert.ok( !method( "11111111111" ), "Invalid driver's license number" );
+	assert.ok( !method( "asdf" ), "Invalid driver's license number" );
+} );
diff --git a/test/index.html b/test/index.html
@@ -15,6 +15,7 @@
 	<script src="rules.js"></script>
 	<script src="messages.js"></script>
 	<script src="methods.js"></script>
+	<script src="additional/cnhBR.js"></script>
 	<script src="additional/creditcard.js"></script>
 	<script src="additional/netmask.js"></script>
 	<script src="additional/abaRoutingNumber.js"></script>
@@ -447,6 +448,12 @@ <h3></h3>
 		<input name="year"/>
 		<button name="submitForm27" value="someValue" type="submit"><span>Submit</span></button>
 	</form>
+
+	<form id="cnhFormTest">
+		<input id="cnhnumber" name="cnhnumber" required>
+		<button name="submitFormCnh" value="submitFormCnh" type="submit"><span>Submit</span></button>
+	</form>
+
 	<form id="_contenteditableForm">
 		<div name="first_name" id="first_name" contenteditable placeholder="First Name"></div>
 		<br>