Nortel Networks 5500 series User Manual

Page 229

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Overview

229

windowsupdate.com

windowsupdate.microsoft.com

download.windowsupdate.microsoft.com

For information about configuring the Exclude List, see

“Configuring the

Exclude List” (page 240)

.

Table 50 "Allowed regular expressions and escape sequences" (page
229)

lists the regular expressions and escape sequences you can use in

an Exclude List entry. The set of allowable regular expressions is a subset
of the set found in egrep and in the AWK programming language. The
escape sequences are allowed in Erlang strings.

Table 50
Allowed regular expressions and escape sequences

String

Usage

Expressions

c

Matches the non-metacharacter c.

\c

Matches the literal character c (see escape sequence).

.

Matches any character.

^

Matches the beginning of a string.

$

Matches the end of a string.

[abc...]

Character class, which matches any of the characters
abc....

Character ranges are specified by a pair of characters
separated by a hyphen (-).

[^abc...]

Negated character class, which matches any character
except abc....

r1|r2

Alternation—matches either r1 or r2.

r1r2

Concatenation — matches r1 and then r2.

r+

Matches one or more r ’s.

r*

Matches zero or more r ’s.

r?

Matches zero or one r ’s.

(r)

Grouping—matches r.

Escape sequences

\b

backspace

\f

form feed

\n

newline (line feed)

Nortel Secure Network Access Switch

Using the Command Line Interface

NN47230-100

03.01

Standard

28 July 2008

Copyright © 2007, 2008 Nortel Networks

.

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