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^nth() for nth word in a string?
  
 
Posted: May 29, 2015

Bear with me if this is another newbie question.

It looks like to be some typical requirement in processing a string of words. So I presume it must exist somewhere in CS. However I have read thru all the word manipulation functions but still not finding any clue.

I think I can write a macro for that but just do not want to reinvent the wheel.

The words in the string can be separated by underscore or space.

Many thanks.
 

 
Posted: May 29, 2015
   [ # 1 ]

technically, you use
@0 = ^burst(  $string)  to generate a set of words and then nth into that set. The omitted 2nd arg means accept both _ and space, as opposed to ^burst($string _) or ^burst($string ” “)
 

 
Posted: May 29, 2015
   [ # 2 ]

if you know the number of words will be “small” you can burst onto match variables and pick the right one if you know the index in advance.
 

 
Posted: May 29, 2015
   [ # 3 ]

Thank you for the guidance, Bruce. It really helps!
 

 
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