Help for this page

Select Code to Download

Select or download this
```
^S.*$[\r\n]
^SYS.*$[\r\n]
```

Select or download this

[root@host]# perl -Mre=debug -e '/12/';
Compiling REx "12"
...
   4: END (0)
anchored "1" at 0 (checking anchored) plus minlen 1 
Freeing REx: "1+"