Bob Sawyer wrote:
> preg_match("'<$itemtag url=(.*?) />'si")
What you are asking here is everything after url= till the closing />.
(Note that the ? is useless here.)
>The regex above gives me:
>
> url="foo.com" length="12345" type="audio/mpeg"
This is exactly what you asked for.
>However, all I want is the contents of the URL attribute:
>
> foo.com
>
>How do I write the regex above to do that?
You have to confine the regex to the enclosing double quotes:
preg_match("'<$itemtag +url=\"([^\"]*)\"'si")
I replaced the general .* with [^\"]*, because perl regexs are greedy,
i.e. it will match as *much* as possible. IOW the match \".*\" in your
example would match <<foo.com" length="12345" type="audio/mpeg>>, i.e.
everything from the first quote on the line *till the last*. IOW you
have to exclude double quotes from being matched: hence \"[^\"]*\"
Note also that I dropped the match for />, as you may have other
attributes following the url="...", and that this regex will only match
if the url="..." is the first attribute.
Rgds
Carl
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