![[Home]](../Images/weetop.gif)
Most commands are used together with one or more arguments. For some commands these arguments are optional; others require you to use them with an argument.
If the argument contains an empty space then you must quote the argument.
Commands become far more effective when used together with regular expressions.
![[Search]](../Images/weesearch.gif)
![[Index]](../Images/weeindex.gif)
