app.findGrepPreferences.findWhat = '\\<(http|www)\\S*\\>';   
var myURLs = app.activeDocument.findGrep();   
makeHyperlink('http://', myURLs); 

// Nobrainer Scripting - http://www.nobrainer.dk 
 
if (app.documents.length > 0) {  
	var myDocument = app.activeDocument; 
	var myHyperlinkStyle = myDocument.characterStyles.item("hyperlink"); // replace hyperlink with name of your char style for links 
	//alert(myHyperlinkStyle); 
	main(); 
} else { 
	alert("Please open a document"); 
} 
 
function main() { 
	try { 
		var script = app.activeScript; 
	} catch(err) { 
		var script = File(err.fileName); 
	} 
 
	var myScriptFolderPath = script.path; 
	var myFindChangeFile = new File(myScriptFolderPath + "/NamesAndURLs.txt"); //mac path for users desktop //File.openDialog("Choose the file containing the tab separated list");  
	//alert(myFindChangeFile) 
	myFindChangeFile = File(myFindChangeFile); 
	var myResult = myFindChangeFile.open("r", undefined, undefined); 
	if(myResult == true){ 
		app.findTextPreferences = NothingEnum.nothing; 
		app.changeTextPreferences = NothingEnum.nothing; 
		//Loop through the find/change operations. 
		do { 
			//read 1 line into myLine 
			myLine = myFindChangeFile.readln(); 
			myFindChangeArray = myLine.split("\t"); 
			 
			//The first field in the line is the value to find  
			myFindVal = myFindChangeArray[0]; 
			 
			// second is the url 
			myFindUrl = myFindChangeArray[1]; 
			 
			doSearchAndReplace(myFindVal, myFindUrl, app.activeDocument); 
				 
		} while(myFindChangeFile.eof == false); 
			myFindChangeFile.close(); 
			// reset search 
			app.findTextPreferences = NothingEnum.nothing; 
			app.changeTextPreferences = NothingEnum.nothing; 
	} 
} 
 
function doSearchAndReplace(stringfind, urlstring, searchin) { 
	app.findTextPreferences.findWhat = stringfind; 
	 
	//Set the find options. 
	app.findChangeTextOptions.caseSensitive = false; 
	app.findChangeTextOptions.includeFootnotes = false; 
	app.findChangeTextOptions.includeHiddenLayers = false; 
	app.findChangeTextOptions.includeLockedLayersForFind = false; 
	app.findChangeTextOptions.includeLockedStoriesForFind = false; 
	app.findChangeTextOptions.includeMasterPages = false; 
	app.findChangeTextOptions.wholeWord = false; 
	 
	var myFoundItems = searchin.findText(); 
 
	for (i = 0; i < myFoundItems.length; i++) { 
		var myHyperlinkDestination = myMakeURLHyperlinkDestination(urlstring); 
		myMakeHyperlink(myFoundItems[i], myHyperlinkDestination); 
		myFoundItems[i].applyCharacterStyle(myHyperlinkStyle, false); 
	} 
} 
 
function myMakeHyperlink(myFoundItem, myHyperlinkDestination){ 
	try { 
		var myHyperlinkTextSource = myDocument.hyperlinkTextSources.add(myFoundItem); 
		var myHyperlink = myDocument.hyperlinks.add(myHyperlinkTextSource, myHyperlinkDestination); 
		myHyperlink.visible = false; 
	} 
	catch(myError){ 
	} 
} 
 
function myMakeURLHyperlinkDestination(myURL){ 
	//If the hyperlink destination already exists, use it; 
	//if it doesn't, then create it. 
	try{ 
		var myHyperlinkDestination = myDocument.hyperlinkURLDestinations.item(myURL); 
		myHyperlinkDestination.name; 
	} 
	catch(myError){ 
		myHyperlinkDestination = myDocument.hyperlinkURLDestinations.add(myURL); 
	} 
	myHyperlinkDestination.name = myURL; 
 
	//Set other hyperlink properties here, if necessary. 
	return myHyperlinkDestination; 
}