asp.net - Not contain certain word in jQuery Validation -

i tried validate text field data not include word abc in example. code:

function valinput() {      $.validator.addmethod("notequalto",function (value, element, param) {          return this.optional(element) || value != param ;      }, "name must not contain abc");        $("#form1").validate({         rules: {             <%=txtname.uniqueid%>: {                 required: true,                 notequalto: "abc"             }          },   //rules          messages: {              <%=txtname.uniqueid%>: {                  required: "name required field.",                  notequal: "name must not contain word abc"             }          },                    errorplacement: function (error, element) {             alert(error.text());         }     });  } 

the field validate if name abc; want validate if abc in middle or @ end or place in name, how do that? how use indexof (in jquery) situation ? appreciated.

try indexof method this.

var word = "name must not contain word abc"; if(word.indexof("abc")>=0)    //do 

demo

hope helps you.