Cisco Cisco ASR 5000
ACS Ruledef Configuration Mode Commands
▀ http uri
▄ Command Line Interface Reference, StarOS Release 18
914
Usage
Use this command to define rule expressions to match an HTTP URI, excluding the host portion.
The following table lists the special characters that you can use in regex rule expressions. For more
information on regex support, refer to the Enhanced Charging Service Administration Guide.
The following table lists the special characters that you can use in regex rule expressions. For more
information on regex support, refer to the Enhanced Charging Service Administration Guide.
Table 8.
Special Characters Supported in Regex Rule Expressions
Regex Character
Description
*
Zero or more characters
+
Zero or more repeated instances of the token preceding the +
?
Match zero or one character
Important:
The CLI does not support configuring “?” directly, you must instead use
“\077”.
For example, if you want to match the string “xyz<any one character>pqr”, you must configure it as:
http host regex “xyz\077pqr”
In another example, if you want to exactly match the string “url?resource=abc”, you must configure it as:
http uri regex "url\\077resource=abc"
Where, the first “\” (backslash) is for the escaping of “?”, and then “\077” for specifying “?” to the CLI.
\character
Escaped character
\?
Match the question mark (\<ctrl-v>?) character
\+
Match the plus character
\*
Match the asterisk character
\a
Match the Alert (ASCII 7) character
\b
Match the Backspace (ASCII 8) character
\f
Match the Form-feed (ASCII 12) character
\n
Match the New line (ASCII 10) character
\r
Match the Carriage return (ASCII 13) character
\t
Match the Tab (ASCII 9) character
\v
Match the Vertical tab (ASCII 11) character
\0
Match the Null (ASCII 0) character
\\
Match the backslash character
Bracketed range [0-
9]
9]
Match any single character from the range
A leading ^ in a
range
range
Do not match any in the range. All other characters represent themselves.
.\x##
Any ASCII character as specified in two-digit hex notation.
For example, \x5A yields a “Z”.
For example, \x5A yields a “Z”.