Cisco 7604 Configuration Manual page 389
Catalyst 6500 series switch and cisco 7600 series router firewall services module configuration guide using the cli
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- Configuration manual (1011 pages) ,
- Installation manual (324 pages) ,
- User manual (98 pages)
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Chapter 20
Using Modular Policy Framework
Table 20-1
Character Description
char
\r
\n
\t
\f
\xNN
\NNN
To test and create a regular expression, perform the following steps:
Step 1
To test a regular expression to make sure it matches what you think it will match, enter the following
command:
hostname(config)# test regex input_text regular_expression
Where the input_text argument is a string you want to match using the regular expression, up to 201
characters in length.
The regular_expression argument can be up to 100 characters in length.
Use Ctrl+V to escape all of the special characters in the CLI. For example, to enter a tab in the input
text in the test regex command, you must enter test regex "test[Ctrl+V Tab]" "test\t".
If the regular expression matches the input text, you see the following message:
INFO: Regular expression match succeeded.
If the regular expression does not match the input text, you see the following message:
INFO: Regular expression match failed.
Step 2
To add a regular expression after you tested it, enter the following command:
hostname(config)# regex name regular_expression
Where the name argument can be up to 40 characters in length.
The regular_expression argument can be up to 100 characters in length.
The following example creates two regular expressions for use in an inspection policy map:
hostname(config)# regex url_example example\.com
hostname(config)# regex url_example2 example2\.com
Catalyst 6500 Series Switch and Cisco 7600 Series Router Firewall Services Module Configuration Guide using ASDM
OL-20748-01
Configuring Special Actions for Application Inspections (Inspection Policy Map)
regex Metacharacters (continued)
Character
Carriage return
Newline
Tab
Formfeed
Escaped hexadecimal number
Escaped octal number
Notes
When character is not a metacharacter, matches the
literal character.
Matches a carriage return 0x0d.
Matches a new line 0x0a.
Matches a tab 0x09.
Matches a form feed 0x0c.
Matches an ASCII character using hexadecimal (exactly
two digits).
Matches an ASCII character as octal (exactly three
digits). For example, the character 040 represents a
space.
20-13
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