javascript - Visual studio 12 and regular expressions error -


i getting strange error in vs2012.

i've got following script:

<script type="text/javascript">      function validateemail($email) {         var emailreg = /^([\w-\.]+@([\w-]+\.)+[\w-]{2,4})?$/;         if( !emailreg.test( $email ) ) {             return false;         } else {             return true;         }     }  </script>

this throws sot of errors in ide, , in vs2010 used run ok.

what wrong?

thanks!

let me guess... using razor (a cshtml page)? if so, problem caused because ide thinks part @([\w-]+\.) razor expression , then, javascript reg ex looking missing parenthesis. fix this, need escape @ using @@ code be:

<script type="text/javascript">      function validateemail($email) {         var emailreg = /^([\w-\.]+@@([\w-]+\.)+[\w-]{2,4})?$/;         if( !emailreg.test( $email ) ) {             return false;         } else {             return true;         }     }  </script>

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