3Com 7750 Series Command Reference Manual page 41

3Com Switch 7750 Series
Command Reference Guide – Configuration File Management
exclude: Displays the configuration excluding the specified characters.
include: Displays the configuration including the specified characters.
text: Text included in a configuration item, expressed in a regular expression. .
Table 1-1 Description on the special characters in the regular expression
Character
_
(
.
*
+
Meaning
Underline, which
represent the following
characters: (^|$|[,{}]), space,
starting character,
ending character.
Left parenthesis,
push-in-stack signal
Period. A wildcard, it can
represent any
character, including spaces.
Asterisk. It means that the
preceding sub-expression
can be matched for zero or
multiple times.
Plus sign. It means that the
preceding sub-expression
can be matched for one or
multiple times.
1-2
Chapter 1 Configuration File Management
Description
If the first character of a
regular expression is not "_",
the number of the underline
characters
expression is only limited by
the length of a command line.
can
If the first character of a
regular expression is "_",
there can be up to four other
and
successive
characters following it.
If the underline characters are
not successive, only the first
underline character group is
matched. The
underline groups are ignored.
You are not recommended to
use this character in a regular
expression.
single —
zo* matches "z" and "zoo".
zo+ matches "zo" and "zoo",
but not "z".
Commands
in a regular
underline
subsequent