gistfile1.js

if (typeof $().highlightRegex === "function") {
  !RegExp.escape && (RegExp.escape = function(text) {
    return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
  });
  
  $('#rech').keypress(function () {
    $('#NewsHome').highlightRegex();
    var txt = $(this).val();
    if (txt.length > 2) {
      try { 
        var regex = new RegExp(RegExp.escape(txt), 'ig');
        $('#NewsHome').highlightRegex(regex);
      } catch (e) {}
    }
  });
}