public static boolean isOnlyInString(String strReturn, String strToContain){
        // fucntion checks to see if strings meet initial requirements
        if(strReturn.isEmpty())return false;
        if(strReturn.length()< 1)return false;
        if(strToContain.isEmpty())return false;
        if(strReturn.length()<1)return false;
        
        boolean exitFlag = true;
        int j = 0;
        
        // this is the outer loop
        outerloop:
        for(int i = 0; i < strReturn.length(); i++){
           // must go through whole string to see if 
           // the characters are there
           if(!exitFlag)return false;
           for(j = 0; j < strToContain.length(); j++){
               if(strReturn.charAt(i) == strToContain.charAt(j)){
                   exitFlag = true;
                   continue outerloop;
               }
               exitFlag = false;                            
           }    
        } // end for(int i = 0; i < strReturn.length(); i++){    
        if(!exitFlag) return false;
        
        return true;
 }//****************************************************************************