HP StorageWorks Reference Information Storage System V1.1 User Guide (February 2005)

Chapter 6:

Query syntax and matching

Query expression syntax and matching

6-4 HP StorageWorks Reference Information Storage System User Guide, February 2005

Word characters and separators

Word characters

include all uppercase and lowercase letters, digits, and the

following additional characters:

• _

(underscore)

• #

(number/pound/hash sign)

• &

(ampersand)

All other characters are

separators

(except, in queries, the wildcards

and

and the special query characters

“

, and

However, the following rule also applies:

• &&

, by itself, is not a word. It is a Boolean operator. When combined with

at least one more word character,

can be part of a word. For example,

a&&b

is a word.

Query analysis and document indexing are not case-sensitive. Uppercase and

lowercase letters are treated the same.

Regular expression definition of English word characters

Note:

This section provides information intended only for users familiar

with regular-expression notation.

The following regular expression provides, in succinct form, a complete speci-

fication of English word characters (except for the treatment of

as a non-

word):

[ A-Za-z0-9_#& ]+

Letters and digits in different character sets

Letters and digits defined

All letters and digits are word characters. Just what the system considers a

letter or a digit depends on the character set encoding used. For the US ASCII

encoding, the letters are uppercase and lowercase English letters (

A–Za–Z