Table 1 shows some basicregularexpression sequences.
表1显示了一些基本正则表达式序列。
2
In addition to the basic option of protecting a specific URI stem, it is also possible to protect a resource by setting the URI attribute equal to a regularexpression pattern.
除了保护特定的一个uri外,通过将UR i属性设为一个正则表达式模式还可以保护一个资源。
3
Two forms of regularexpression syntax are used with the GNU grep program found on most Linux systems: basic and extended.