R0106-HP MSR Router Series Fundamentals Configuration Guide(V7)
10
5: Subnet mask: 255.255.255.0
6: Description: For LAN Access
7: Name: VLAN 0999
8: Tagged ports: None
9: Untagged ports:
10: GigabitEthernet2/1/0
Filtering the output from a display command
You can use the | { begin | exclude | include } regular-expression option to filter the display command
output:
• begin—Displays the first line matching the specified regular expression and all subsequent lines.
• exclude—Displays all lines not matching the specified regular expression.
• include—Displays all lines matching the specified regular expression.
• regular-expression—A case-sensitive string of 1 to 256 characters, which can contain the special
characters described in Table 5.
T
h
e amount of time required for the filtering operation varies by regular expression. The more
complicated the regular expression is, the longer the filtering operation takes. To stop the operation,
press Ctrl+C.
Table 5 Special characters supported in a regular expression
Characters Meanin
g
Exam
p
les
^ Matches the beginning of a line.
"^user" matches all lines beginning with "user". A
line beginning with "Auser" is not matched.
$ Matches the end of a line.
"user$" matches all lines ending with "user". A line
ending with "userA" is not matched.
. (period) Matches any single character. ".s" matches "as" and "bs".
*
Matches the preceding character or
string zero, one, or multiple times.
"zo*" matches "z" and "zoo", and "(zo)*"
matches "zo" and "zozo".
+
Matches the preceding character or
string one or multiple times.
"zo+" matches "zo" and "zoo", but not "z".
|
Matches the preceding or succeeding
string.
"def|int" matches a string containing "def" or
"int".
( )
Matches the string in the parentheses,
usually used together with the plus sign
(+) or asterisk sign (*).
"(123A)" matches "123A".
"408(12)+" matches "40812" and
"408121212", but not "408".
\N
Matches the preceding strings in
parentheses, with the Nth string
repeated once.
"(string)\1" matches a string containing
"stringstring".
"(string1)(string2)\2" matches a string containing
"string1string2string2".
"(string1)(string2)\1\2" matches a string
containing " string1string2string1string2".