|
|
Posted by Mike M on 05/27/05 11:13
Hi Du
Du wrote:
> 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".*?>!' ;
You're a legend in your own time :-)
Thanks for that, it works perfectly !
Mike
>
>
>
> "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
>>>
>>
>>
Navigation:
[Reply to this message]
|