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Character
Meaning
Matches a single character not
[^]
contained within the brackets.
Matches a character string starting
\<string
with string.
Matches a character string ending
string\>
with string.
Matches character1character2.
character1 can be any character
\bcharacter2
except number, letter or underline,
and \b equals [^A-Za-z0-9_].
Matches a string containing
\Bcharacter
character, and no space is allowed
before character.
Matches character1character2.
character2 must be a number, letter,
character1\w
or underline, and \w equals
[A-Za-z0-9_].
\W
Equals \b.
Escape character. If a special
character listed in this table follows
\
\, the specific meaning of the
character is removed.
The following are several regular expression examples:
# Use | begin user-interface in the display current-configuration command to match the first line of
output that contains user-interface to the last line of output.
<Sysname> display current-configuration | begin user-interface
user-interface aux 0
user-interface vty 0 15
authentication-mode none
user privilege level 3
#
return
# Use | exclude Direct in the display ip routing-table command to filter out direct routes and display only
the non-direct routes.
<Sysname> display ip routing-table | exclude Direct
Routing Tables: Public
Destination/Mask
1.1.1.0/24
Proto
Pre
Cost
Static 60
0
12
Examples
[^16A] means to match a string containing any
character except 1, 6 or A, and the matching string
can also contain 1, 6 or A, but cannot contain these
three characters only. For example, [^16A]
matches "abc" and "m16", but not 1, 16, or 16A.
"\<do" matches word "domain" and string "doa".
"do\>" matches word "undo" and string "abcdo".
"\ba" matches "-a" with "-" being character1, and
"a" being character2, but it does not match "2a" or
"ba".
"\Bt" matches "t" in "install", but not "t" in "big
top".
"v\w" matches "vlan" ("v" is character1 and "l" is
character2) and "service" ( "i" is character2).
"\Wa" matches "-a", with "-" being character1,
and "a" being character2, but does not match "2a"
or "ba".
"\\" matches a string containing "\", "\^" matches
a string containing "^", and "\\b" matches a string
containing "\b".
NextHop
Interface
192.168.0.0
Vlan1

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