Re: XPath Grammar

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Subject: Re: XPath Grammar
From: Jeff Kenton <jkenton@xxxxxxxxxxxxx>
Date: Tue, 03 Jun 2003 15:41:09 -0400

Fatih TURKMEN wrote:

I need help about XPath grammar.
In W3C specification a literal is stated as the
following:
[29] Literal ::= '"' [^"]* '"' | "'" [^']* "'"

What does the production mean? I think it can be translated as the following: "\"" (~["\""])* "\"" | "'" (~["'"] )* "'"

but what [^"]* exactly mean?

In English, it means either a string delimited by two double quotes (") or two single quotes ('). In either case, the delimiting quote may not appear within the quoted string.

[^"]* means any number of characters not including a double quote.

Note that in XPath 2.0, you may include a double quote inside a double quoted string (similarly for single quotes) by having two of the quote characters in succession within the string.

--

--------------------------
Jeff Kenton
DataPower Technology, Inc.

XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list

Current Thread
XPath Grammar Fatih TURKMEN - Tue, 3 Jun 2003 15:13:02 -0400 (EDT) G. Ken Holman - Tue, 3 Jun 2003 15:39:16 -0400 (EDT) Jeff Kenton - Tue, 3 Jun 2003 15:41:21 -0400 (EDT) <= Bob Foster - Tue, 3 Jun 2003 15:43:10 -0400 (EDT) Michael Kay - Sat, 7 Jun 2003 12:13:23 -0400 (EDT)

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