app.findGrepPreferences = NothingEnum.nothing;        
    var grepSearchs = [ 
    ["\\d\\d So",'Sonn- & Feiertage'], 
    ["\\d\\d Sa",'Samstage'], 
    ["\\d\\d Mo",'Wochentage'], 
    ["\\d\\d Di",'Wochentage'], 
    ["\\d\\d Mi",'Wochentage'], 
    ["\\d\\d Do",'Wochentage'], 
    ["\\d\\d Fr",'Wochentage'], 
    ["Januar|Februar|März|April|Mai|Juni|Juli|August|September|Oktober|November|Dezember",'Monate']];  
           
    var docTables = app.activeDocument.stories.everyItem().tables.everyItem().getElements();       
           
    o = docTables.length;       
    for(var i = 0; i < o;i++){       
        myTable = docTables[i];       
    l = grepSearchs.length;       
    while(l--){       
    app.findGrepPreferences.findWhat = grepSearchs[l][0];        
    var foundList = myTable.findGrep();        
    f = foundList.length;       
    while(f--){foundList[f].parent.appliedCellStyle = grepSearchs[l][1];}       
    }       
    }       
           
    app.findGrepPreferences = NothingEnum.nothing; 

 app.findGrepPreferences = NothingEnum.nothing;        
    var grepSearchs = [ 
    ["\\d\\d So",'Look1\/Sonn- & Feiertage'], 
    ["\\d\\d Sa",'Look1\/Samstage'], 
    ["\\d\\d Mo",'Look1\/Wochentage'], 
    ["\\d\\d Di",'Look1\/Wochentage'], 
    ["\\d\\d Mi",'Look1\/Wochentage'], 
    ["\\d\\d Do",'Look1\/Wochentage'], 
    ["\\d\\d Fr",'Look1\/Wochentage'], 
    ["Januar|Februar|März|April|Mai|Juni|Juli|August|September|Oktober|November|Dezember",'Look1\/Monate']];  
           
    var docTables = app.activeDocument.stories.everyItem().tables.everyItem().getElements();       
           
    o = docTables.length;       
    for(var i = 0; i < o;i++){       
        myTable = docTables[i];       
    l = grepSearchs.length;       
    while(l--){       
    app.findGrepPreferences.findWhat = grepSearchs[l][0];        
    var foundList = myTable.findGrep();        
    f = foundList.length;       
    while(f--){foundList[f].parent.appliedCellStyle = grepSearchs[l][1];}       
    }       
    }       
           
    app.findGrepPreferences = NothingEnum.nothing; 

var doc = app.documents[0]; 
app.findGrepPreferences = NothingEnum.nothing; 
var grepSearches = 
[  
	["\\d\\d So" , "Look1" , "Sonn- & Feiertage"], 
	["\\d\\d Sa" , "Look1" , "Samstage"], 
	["\\d\\d Mo" , "Look1" , "Wochentage"], 
	["\\d\\d Di" , "Look1" , "Wochentage"], 
	["\\d\\d Mi" , "Look1" , "Wochentage"], 
	["\\d\\d Do" , "Look1" , "Wochentage"], 
	["\\d\\d Fr" , "Look1" , "Wochentage"], 
	["Januar|Februar|März|April|Mai|Juni|Juli|August|September|Oktober|November|Dezember" , "Look1" , "Monate"] 
];   
	    
var docTables = doc.stories.everyItem().tables.everyItem().getElements(); 
	    
var o = docTables.length; 
 
for(var i = 0; i < o;i++) 
{        
	var myTable = docTables[i]; 
	var l = grepSearches.length; 
	 
	while(l--) 
	{        
		app.findGrepPreferences.findWhat = grepSearches[l][0]; 
		 
		var foundList = myTable.findGrep(); 
		var f = foundList.length; 
      
		while( f-- ) 
		{ 
			var cellStyle = doc.cellStyleGroups.itemByName(  grepSearches[l][1] ).cellStyles.itemByName( grepSearches[l][2] ); 
 
			if( cellStyle.isValid ) 
			{ 
				foundList[f].parent.appliedCellStyle = cellStyle; 
			}; 
		}; 
	}; 
}; 
	    
app.findGrepPreferences = NothingEnum.nothing; 

<RootCellStyleGroup Self="u88"> 
	<CellStyleGroup Self="CellStyleGroup/$ID/Look1" Name="$ID/Look1"> 
		<CellStyle Self="CellStyle/Look1%3aMonat" AppliedParagraphStyle="ParagraphStyle/$ID/[No paragraph style]" KeyboardShortcut="0 0" Name="Look1:Monat"> 
			<Properties> 
				<BasedOn type="string">$ID/[None]</BasedOn> 
			</Properties> 
		</CellStyle> 
	</CellStyleGroup> 
</RootCellStyleGroup>