Regex help needed!

Johann Spies jspies at sun.ac.za
Tue Dec 22 02:48:12 EST 2009


> Oltmans wrote:
> >I've a string that looks something like
> >----
> >lksjdfls <div id ='amazon_345343'> kdjff lsdfs </div> sdjfls <div id
> >=   "amazon_35343433">sdfsd</div><div id='amazon_8898'>welcome</div>
> >----
> >
> >>From above string I need the digits within the ID attribute. For
> >example, required output from above string is
> >- 35343433
> >- 345343
> >- 8898
> >

Your string is in /tmp/y in this example:

$ grep -o [0-9]+ /tmp/y
345343
35343433
8898

Much simpler, isn't it?  But that is not python.

Regards
Johann

-- 
Johann Spies          Telefoon: 021-808 4599
Informasietegnologie, Universiteit van Stellenbosch

     "And there were in the same country shepherds abiding 
      in the field, keeping watch over their flock by night.
      And, lo, the angel of the Lord came upon them, and the
      glory of the Lord shone round about them: and they were 
      sore afraid. And the angel said unto them, Fear not:
      for behold I bring you good tidings of great joy, which
      shall be to all people. For unto you is born this day 
      in the city of David a Saviour, which is Christ the 
      Lord."        Luke 2:8-11 



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