Sun Java System Web Server 6.1 SP9 NSAPI Programmer's Guide

Chapter 9 Using Wildcard Patterns

This chapter describes the format of wildcard patterns used by the Sun Java System Web Server. These wildcards are used in:

Wildcard Patterns

The following table describes wildcard patterns, listing the pattern and its use.

Table 9–1 Wildcard Patterns




Match zero or more characters. 


Match exactly one occurrence of any character. 


An or expression. The substrings used with this operator can contain other special characters such as * or $. The substrings must be enclosed in parentheses, for example, (a|b|c), but the parentheses cannot be nested.


Match the end of the string. This is useful in or expressions.


Match one occurrence of the characters a, b, or c. Within these expressions, the only character that needs to be treated as a special character is ]; all others are not special. 


Match one occurrence of a character between a and z. 


Match any character except a or z. 


This expression, followed by another expression, removes any pattern matching the second expression. 


Match zero or more characters. 

Wildcard Examples

The following table provides wildcard examples, listing the pattern and the result.

Table 9–2 Wildcard Examples




Matches any string ending with the characters


Matches either or


Matches a numeric string starting with either 198.93.92 or 198.93.93 and ending with any 3 characters.


Matches any string with a period in it. 


Matches any string except those starting with netscape-.


Matches any host from domain except for a single host



Matches any host from domain except for hosts,, and


Matches any host from domain .com except for hosts from subdomain


Matches any type that does not start with magnus-internal/.

This wildcard pattern is used in the file obj.conf in the catch-all Service directive.