Citrix Systems 9.2 manual Basic Operations on Text, String

86 Citrix NetScaler Policy Configuration and Reference Guide

VPN and Clientless VPN Expression Prefixes that Return Text

VPN and Clientless VPN	Description
Expression
VPN.HOST.EQ("hostname")	Returns a Boolean TRUE value if the host name
	matches the hostname. The comparison is case
	insensitive.
	For example, if the host name is www.
	mycompany.com or www.mycompany.com:8080,
	the following returns TRUE:
	vpn.host.eq("www.mycompany.com")
	If the text mode is URLENCODED the host name
	is decoded before comparison. For more
	information, see “Operations for HTTP, HTML,
	and XML Encoding and “Safe” Characters,” on
	page 131.
VPN.HOST.SERVER	Extracts the server name part of the host name. For
	example, if the host name is www.mycompany.
	com or www.mycompany.com:8080, the server is
	www.mycompany.com.
	All text operations after this prefix are case
	insensitive.

Operations on Text

The following sections describe text operations that examine text.

Be aware of the following conditions for any text-based operation:

•For any operation that takes a string argument, the string cannot exceed 255 characters.

•You can include white space when you specify a string in an expression.

Basic Operations on Text

The following table lists basic operations on text.

Basic Operations on Text

Basic Text Operation	Description
text.CONTAINS("string")	Returns a Boolean TRUE value if the target contains
	string.
	Following is an example:
	http.req.url.contains(".jpeg")