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Posted by Du on 05/27/05 05:40
sorry, i should have read your question more carefully
i thot you wanted the first <input>
try this then
$LS_LOOK_FOR_MASK='!<[^<]*?\sname="item_1".*?>!' ;
"Du" <vietquest@hotmail.com> wrote in message
news:mZmdndeH6oMdGgvfRVn-gw@mycybernet.net...
> try this
>
> // $LS_LOOK_FOR_MASK='!<[^/].*?\sname="item_1".*?>!' ;
>
> instead of .*? at the end ..... use [^>]*?
>
> $LS_LOOK_FOR_MASK='!<[^/].*?\sname="item_1"[^>]*?>!' ;
>
>
> i haven't test it out yet ... try it out, if it doesn't work let me know
>
>
>
> "Mike M" <mike@nospam.mak.co.nz> wrote in message
> news:429674e2@news.maxnet.co.nz...
>> Hi
>>
>> I'm trying to extract from a line of HTML individual tags, using the
>> "name"
>> attribute to determine which tag to extract. What I'm getting seems to be
>> a
>> greedy match which isn't what I'm looking for.
>>
>> // source html line with rubbish tag for testing purposes
>> $LS_HTML_LINE='<input type="text" value="456=tre" width=5 name="item_2"
>> blah=wer checked id="abc" />This is not to be included</a><input
>> type="checkbox" value="123=tre" name="item_1" checked />' ;
>> // regular expression to use
>> $LS_LOOK_FOR_MASK='!<[^/].*?\sname="item_1".*?>!' ;
>> // run the regular expression
>> preg_match($LS_LOOK_FOR, $LS_HTML_LINE, $LA_ALL_TAGS) ;
>> // lets see what we've got
>> print_r($LA_ALL_TAGS) ;
>>
>> Array
>> (
>> [0] => <input type="text" value="456=tre" width=5 name="item_2"
>> blah=wer
>> checked id="abc" />This is not to be included</a><input type="checkbox"
>> value="123=tre" name="item_1" checked />
>> )
>>
>> This is not what I'm after, the desired result is :
>> <input type="checkbox" value="123=tre" name="item_1" checked />
>>
>> but when I do the same for item_2 I get the desired result
>>
>> $LS_LOOK_FOR_MASK='!<[^/].*?\sname="item_2".*?>!' ;
>> preg_match($LS_LOOK_FOR, $LS_HTML_LINE, $LA_ALL_TAGS) ;
>> print_r($LA_ALL_TAGS) ;
>> Array
>> (
>> [0] => <input type="text" value="456=tre" width=5 name="item_2"
>> blah=wer
>> checked id="abc" />
>> )
>>
>> This tells me that I'm missing something in the beginning of the regular
>> expression, I've spent several hours hacking to no effect and Googling
>> without seeing anything that seems to be what I'm after.
>>
>> I think that it's time to throw this one out to those more proficient
>> with
>> regular expressions. Any help would be greatly appreciated.
>>
>> Cheers
>> Mike
>>
>
>
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