Hi, Carl, Terry, and all

A slightly more generic version...

Carl Read wrote:
> 
> On 09-Mar-02, Terry Brownell wrote:
> 
> > When parsing a string such as {Hello world, "this to" is an
> > example;} parse will remove the comma, and the semi... and takes
> > anything within quotes as a single value.
> 
> > Sometimes I just want to parse spaces so we get...
> > ["Hello" "world," "this" "to" "is" "an" "example;"]
> 
...
> 
> Well, the 'all refinement let's you parse everything except what you
> tell it not to parse.  ie...
> 
...
> 
> Though your "this to" becomes one string instead of two.  Close to
> what you want though, and stripping out the speach-marks first would
> be one option.  ie...
> 

    just-the-good-parts: func [
        s [string!]
        /local result good-ones others fragment
    ][
        good-ones: charset [#"A" - #"Z" #"a" - #"z" #"." #"," #";"]
        others:  complement good-ones
        result:  copy []
        parse/all s [
            any [
                copy fragment some good-ones (append result fragment)
            |
                some others
            ]
        ]
        result
    ]


>> a: {Hello world, "this to" is an example;}
== {Hello world, "this to" is an example;}
>> just-the-good-parts a
== ["Hello" "world," "this" "to" "is" "an" "example;"]

Suitable redefinitions of GOOD-ONES and OTHERS will let you keep or
discard whatever characters you wish, of course.

-jn-

-- 
; sub REBOL {}; sub head ($) {@_[0]}
REBOL []
# despam: func [e] [replace replace/all e ":" "." "#" "@"]
; sub despam {my ($e) = @_; $e =~ tr/:#/.@/; return "\n$e"}
print head reverse despam "moc:xedef#yleen:leoj" ;
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