first commit

plugins/jquery-validation/additional/cnhBR.js

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+/*
+ * 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" );