请问各位大侠，复制的一段文字后，怎么能够实现在每个字符之中插入空格符呢？

A&nbsp &nbsp &nbsp &nbspu&nbsp &nbsp &nbsp &nbspt&nbsp &nbsp &nbsp &nbspo&nbsp &nbsp &nbsp &nbspH&nbsp &nbsp &nbsp &nbspo&nbsp &nbsp &nbsp &nbspt&nbsp &nbsp &nbsp &nbspk&nbsp &nbsp &nbsp &nbspe&nbsp &nbsp &nbsp &nbspy&nbsp &nbsp &nbsp &nbsp从&nbsp &nbsp &nbsp &nbsp入&nbsp &nbsp &nbsp &nbsp门&nbsp &nbsp &nbsp &nbsp]&nbsp &nbsp &nbsp &nbsp到&nbsp &nbsp &nbsp &nbsp精&nbsp &nbsp &nbsp &nbsp通&nbsp &nbsp &nbsp &nbsp是&nbsp &nbsp &nbsp &nbsp河&nbsp &nbsp &nbsp &nbsp许&nbsp &nbsp &nbsp &nbsp人&nbsp &nbsp &nbsp &nbsp&nbsp &nbsp &nbsp &nbsp出&nbsp &nbsp &nbsp &nbsp的&nbsp &nbsp &nbsp &nbsp&nbsp &nbsp &nbsp &nbsp精&nbsp &nbsp &nbsp &nbsp品&nbsp &nbsp &nbsp &nbsp&nbsp &nbsp &nbsp &nbsp课&nbsp &nbsp &nbsp &nbsp程&nbsp &nbsp &nbsp &nbsp，&nbsp &nbsp &nbsp &nbsp希&nbsp &nbsp &nbsp &nbsp望&nbsp &nbsp &nbsp &nbsp大&nbsp &nbsp &nbsp &nbsp家&nbsp &nbsp &nbsp &nbsp支&nbsp &nbsp &nbsp &nbsp持&nbsp &nbsp &nbsp &nbsp他，&nbsp &nbsp &nbsp &nbsp大&nbsp &nbsp &nbsp &nbsp家&nbsp &nbsp &nbsp &nbsp有&nbsp &nbsp &nbsp 什么问题可以发在这里，我会邀请河许人亲自过来