“被重复”造句
标记子表达式同样可以
被重复, 或被后向引用所引用.
Marked sub - expressions can also repeated, or referred - to by a back - reference.
标记子表达式可以
被重复, 或被后向引用所引用.
Marked sub - expressions can also repeated, or referred to by a back - reference.
如果不是这样的话,这一模式必须
被重复递归应用.
If not so then this pattern has to be applied recursively.