Sun Microsystems Netscape Enterprise Server, Руководство администратора

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Using the Query Operators
432 Netscape Enterprise Server Administrator’s Guide
Table 16.5 Wildcard operators
Character Description
* Specifies 0 or more alphanumeric characters. For example,
air*
finds
documents that contain air , airline , and airhead .
Cannot use this wildcard as the first character in an expression.
This wildcard is ignored in a set of ([ ]) or in an alternative pattern ({ }).
With this wildcard, the
<WILDCARD>
operator is implicit.
? Specifies a single alphanumeric character, although you can use more
than one ? to indicate multiple characters. For example, ?at finds
documents that contain
cat and hat , while ??at finds documents that
contain that and chat .
This wildcard is ignored in a set of ([ ]) or in an alternative pattern ({ }).
With this wildcard, the
<WILDCARD>
operator is implicit.
{} An alternative pattern that specifies a series of patterns, one for each
pattern separated by commas. For example,
<WILDCARD> ‘Chat{s, ting, ty}‘
finds documents that contain chats , chatting , and chatty .
You must enclose the entire string in back quotes and you cannot have
any embedded spaces.
[ ]
A set that specifies a series of characters that can be
used to find a match. For example,
<WILDCARD> ‘[chp]at‘
finds documents that contain
cat, hat, and pat.
You must enclose the entire string in back quotes and you cannot have
any embedded spaces.
^ Specifies one or more characters to exclude from a set. For example,
<WILDCARD> ‘C[^io]t‘
finds documents that contain cat and cut ,
but not cot .
The caret (^) must be the first character after the left bracket.
- Specifies a range of characters in a set. For example,
<WILDCARD>
‘Ch[a-j]t‘
finds documents that contain any four-letter word from
chat to chjt .