HP 5130 EI series Configuration Manual page 17

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
The amount of time for the filtering operation varies by regular expression. The more complicated the
regular expression is, the longer the operation takes. To stop the operation, press Ctrl+C.
Table 5 Special characters supported in a regular expression
Characters Meaning
^ Matches the beginning of a line.
$ Matches the end of a line.
. (period) Matches any single character.
Matches the preceding character or
*
string zero, one, or multiple times.
Matches the preceding character or
+
string one or multiple times.
Matches the preceding or succeeding
|
string.
Matches the string in the parentheses,
( ) usually used together with the plus
sign (+) or asterisk sign (*).
Matches the preceding strings in
\N parentheses, with the Nth string
repeated once.
Matches a single character in the
[ ]
brackets.
Matches a single character that is not
[^]
in the brackets.
Matches the preceding character n
{n} times. The number n must be a
nonnegative integer.
Matches the preceding character n
{n,} times or more. The number n must be a
nonnegative integer.
Table 5.
10
Examples
"^u" matches all lines beginning with "u". A line
beginning with "Au" is not matched.
"u$" matches all lines ending with "u". A line
ending with "uA" is not matched.
".s" matches "as" and "bs".
"zo*" matches "z" and "zoo", and "(zo)*"
matches "zo" and "zozo".
"zo+" matches "zo" and "zoo", but not "z".
"def|int" matches a line containing "def" or "int".
"(123A)" matches "123A".
"408(12)+" matches "40812" and
"408121212", but not "408".
"(string)\1" matches a string containing
"stringstring".
"(string1)(string2)\2" matches a string containing
"string1string2string2".
"(string1)(string2)\1\2" matches a string
containing " string1string2string1string2".
"[16A]" matches a string containing 1, 6, or A;
"[1-36A]" matches a string containing 1, 2, 3, 6,
or A (- is a hyphen).
To match the character "]", put it immediately after
"[", for example, []abc]. There is no such limit on
"[".
"[^16A]" matches a string that contains one or
more characters except for 1, 6, or A, such as
"abc". A match can also contain 1, 6, or A (such as
"m16"), but it cannot contain these three
characters only (such as 1, 16, or 16A).
"o{2}" matches "food", but not "Bob".
"o{2,}" matches "foooood", but not "Bob".