Special character validation

Question

I have some javascript written to validate that a string is alphanumeric but i was just wondering how i could add some code to include hyphens(-) and slash\'s(/) as acceptab

Answer 1

Input:

Javascript

function namefun(c) {
  var spch = /[A-z\s]/gi;
  var dig = /[0-9]/g;
  var ln = c.length;
  var j = 1;
  for (var i = 0; i < ln; i++) {
    var k = c.slice(i, j);
    if (spch.test(c) == false || dig.test(c) == true) {
      alert("Invalid name");
      document.getElementById("tname").value = "";
      ln = 0;
      setTimeout(function () {
        tname.focus();
      }, 1);
      //return false;
    }
    j++;
  }
}