string1 = new String("Grüße"); 
array1 = new Array(string1.match(/\w/g)); 

string1 = new String("Grüße"); 
array1 = new Array(string1.match(/./g)); 

string1 = new String("Grüße"); 
array1 = new Array(string1.match(/[0-9A-Za-zÀ-ü]/g)); 

var myDoc = app.documents[0];  
app.documents.add();  
app.documents[0].textFrames.add({  
	geometricBounds:[0,0,30,100],  
	contents:"^1234567890ß´qwertzuiopü+asdfghjklöä#<yxcvbnm, .-    °!\"§$%&/()=?`QWERTZUIOPÜ*ASDFGHJKLÖÄ'>YXCVBNM;:_    „¡“¶¢[]|{}¿'«€®†¨@œæ‘&¥ç&~µ…–    “¬”#£^\˜·¯»„‰¸ÁÛØ°ÅÍ™ÏÌÓˆŒÆ’‡ÙÇ‹›÷—",   
	label:"ToSearch"});  
  
var myArray = new Array();  
  
app.findGrepPreferences.findWhat = "\\w";  
var myFind = myDoc.textFrames.item("ToSearch").findGrep();  
  
for (n=0; n<myFind.length; n++){  
	myArray.push(myFind[n].contents);  
};  
var myString1 = myArray.join();  
  
app.documents[0].textFrames.add({  
	geometricBounds:[40,0,70,100],  
	contents:"Found by findGrep() with findWhat = \"\\\\w\"\r"+myString1,   
	label:"Found by findGrep()"  
	});  
  
myString2 = myDoc.textFrames.item("ToSearch").contents.match(/\w/g);  
  
app.documents[0].textFrames.add({  
	geometricBounds:[80,0,110,100],  
	contents:"Found by match(/\w/g)\r"+myString2,   
	label:"Found by match(/\w/g)"  
	}); 

contents:"Found by findGrep() with findWhat = \"\\\\w\"\r"+myString1, 

findWhat = "\[0-9A-Za-zÀ-ü\]" 

match(/[0-9A-Za-zÀ-ü]/g) 

findWhat = "\\w"