Get value from a string after a special character

Question

How do i trim and get the value after a special character from a hidden field The hidden field value is like this

Code

Answer 1

//var val = $("#FieldId").val()
//Get Value of hidden field by val() jquery function I'm using example string.
var val = "String to find after - DEMO"
var foundString = val.substr(val.indexOf(' - ')+3,)
console.log(foundString);

Assuming you need to find DEMO string after - by above code you can able to access DEMO string substr will return the string from whaterver the value indexOf return till the end of string it will return everything.