On Sun, Apr 29, 2012 at 11:26 PM, Lawrence Statton <lawre...@cluon.com> wrote:
> On 04/29/2012 10:21 AM, lina wrote:
>>
>> Hi,
>>
>> I have a text file like:
>>
>> $ more sample.tex
>>
>> aaa \cite{d1,d2},ddd \cite{e1},ccc \cite{f1,f2,f3}
>> bbb\cite{inhibitor}aaa
>>
>>
>> sub read_tex{
>> open my $fh, '<', @_;
>> while(<$fh>){
>> if(/cite\{(.+?)\}/){
>> push @citeditems,split/,/,$1;
>> }
>> }
>> close($fh);
>> }
>>
>> It only extract the first \cite part out, failed to extract the e1,
>> f1, f2, f3 and uncertain number of being cited item out.
>>
>> Can someone give me some suggest regarding how to upgrade the match part?
>>
>> Thanks with best regards,
>>
>
> Your regexp only asks for a single \cite... match in each line.
>
> perldoc perlretut
>
> Search for "Global Matching" roughly half-way down the page.
if($_ =~ m/cite\{(.+?)\}/g){
Not work.
Do I need to use backreference to handle the uncertain number of
following cite match?
Thanks for your quick reply.
Best regards,
>
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