keycode

handleKeypressName(e) {
      const regexp = /[^A-Za-z -]/;

      e = e || window.event;
      const charCode = (typeof e.which == "number") ? e.which : e.keyCode;
      const typedChar = String.fromCharCode(charCode);
      const matched = !(regexp.test(typedChar));

      if (!matched) {
        e.preventDefault();
      }

      return matched;
    },
    handleInputName(e) {
      const regex = /[^A-Za-z]/g;
      if (regex.test(String.fromCharCode(e.keyCode)) && e.keyCode !== 32) {
        e.preventDefault();
        return !1;
      }
    },