Hi I have a text input file :

dhs dskfsdk 
 fsfksdfsdk { ajaj aksakj kffkfm sksk \
   sndsjd  sdasd sdsdsa sdasdsa sdasd sdas asd\
    dsfd sdfdsf fsdfds sdfe erewr grtgw erewr} -xyz
 sds begin1 ... ... .. end1 begin2 .. .. end2
fd grtgrt hytht
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I want to find if the words between begin1-end1 and begin2-end2 exist between { and }. Also note that sometimes, the text file might not have the character "\" and it might be only one single line , for ex..

dhs dskfsdk 
 fsfksdfsdk { ajaj aksakj kffkfm sksk } -xyz
 sds begin1 ... ... .. end1 begin2 .. .. end2
fd grtgrt hytht
[download]

Please let me know a PERL subroutine to implement this. Thanks.