Huawei AR2200 Series - Page 27

Particul
ar
characte
r
Syntax Example
x|y Matches x or y. 100|200 matches "100" or "200".
1(2|3)4 matches "124" or "134",
instead of "1234", "14", "1224", and
"1334".
[xyz] Matches any single character in the
regular expression.
[123] matches the character 2 in
"255".
[^xyz] Matches any character that is not
contained within the brackets.
[^123] matches any character except
for "1", "2", and "3".
[a-z] Matches any character within the
specified range.
[0-9] matches any character ranging
from 0 to 9.
[^a-z] Matches any character beyond the
specified range.
[^0-9] matches all non-numeric
characters.
_ Matches a comma "," left brace "{",
right brace "}", left parenthesis "(",
and right parenthesis ")".
Matches the starting position of the
input string.
Matches the ending position of the
input string.
Matches a space.
_2008_ matches "2008", "space
2008 space", "space 2008", "2008
space", ",2008,", "{2008}",
"(2008)", "{2008)", and "(2008}".
NOTE
Unless otherwise specified, all characters in the preceding table are displayed on the screen.
l Degeneration of particular characters
Certain particular characters, when being placed at the following positions in the regular
expression, degenerate to common characters.
– The particular characters following "\" is transferred to match particular characters
themselves.
– The particular characters "*", "+", and "?" placed at the starting position of the regular
expression. For example, +45 matches "+45" and abc(*def) matches "abc*def".
– The particular character "^" placed at any position except for the start of the regular
expression. For example, abc^ matches "abc^".
– The particular character "$" placed at any position except for the end of the regular
expression. For example, 12$2 matches "12$2".
– The right bracket such as ")" or "]" being not paired with its corresponding left bracket
"(" or "[". For example, abc) matches "abc)" and 0-9] matches "0-9]".
Huawei AR2200 Series Enterprise Routers
Configuration Guide - Basic Configuration 2 CLI Overview
Issue 02 (2011-10-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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