Administration

Finding a Principal

 

test [1-9]searches for all principal

 

names starting with the characters

 

test, followed by an one number is the

 

range 1 through 9.

 

[abc-]searches for all principal

 

names starting with a, b, c or, “-”.

:

Represents the start of a character

 

class descriptor when used

 

immediately after the “[“ or “[!”.

 

Otherwise it is matched literally.

 

The following character classes are

 

supported:

 

[:alnum:] [:alpha:] [:cntrl:]

 

[:digit:] [:graph:] [:lower:]

 

[:print:] [:punct:] [:space:]

 

[:upper:] [:xdigit:]

{,...}

Represents any on string of

 

characters from the set. Nesting of

 

these constructs is allowed in each of

 

the strings. The “/” character can be

 

matched. Commas in the strings

 

must be deleted with a backslash.

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Chapter 6