public String removePunctuation(String anEntry){
		StringBuffer sb=new StringBuffer();
		for (int i=0;i<anEntry.length();i++){
			if ((anEntry.charAt(i) >= 64 && anEntry.charAt(i) <= 90) 	//UPPERCASE and @
				|| (anEntry.charAt(i) >= 97 &&anEntry.charAt(i) <= 122)	//lowercase
				|| (anEntry.charAt(i) >= 48 &&anEntry.charAt(i) <=57)	//numbers
				|| (anEntry.charAt(i)==95)  || (anEntry.charAt(i)==94)	//_ and ^
				)
			{
				sb = sb.append(anEntry.charAt(i));
			}
		}
		return sb.toString();
	}