public final static String replaceAllofAny(final String str, final char[] theseChars, final char with)
	{
		if((str==null)
		||(theseChars==null)
		||(str.length()==0)
		||(!containsAny(str,theseChars)))
			return str;
		final char[] newChars = str.toCharArray();
		for(int i=str.length()-1;i>=0;i--)
			if(contains(theseChars,str.charAt(i)))
			{
				newChars[i]=with;
			}
		return new String(newChars);
	}