Re: XPath Grammar

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Subject: Re: XPath Grammar
From: "G. Ken Holman" <gkholman@xxxxxxxxxxxxxxxxxxxx>
Date: Tue, 03 Jun 2003 15:38:29 -0400

At 2003-06-03 12:12 -0700, Fatih TURKMEN wrote:

[29]    Literal    ::=    '"' [^"]* '"'
                        | "'" [^']* "'"

What does the production mean?

Anything in-between quotes isn't a quote and anything between apostrophes isn't an appostrophe.

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

Perhaps, but what notation are you using?

but what [^"]* exactly mean?

In regular expressions, a set of characters is denoted using square brackets and the inverse set of characters is denoted by starting the set with a caret. The expression as used follows the documented conventions of regular expressions.

I hope this helps.

................... Ken

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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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