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  1. class Ideone {
  2.     static void main(String[] args) {
  3. 		String s = "hey where.is.the book on.brown.table\nhey there.is.a.boy.in.the city Delhi\nhey here.is.the.boy living next door"
  4. 		print s.replaceAll(/(\G(?!\A)\w+|\b(?:where|there)\b)\./, '$1_')
  5.     }
  6. }
  7.  
Success #stdin #stdout 0.92s 78896KB
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stdin
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Standard input is empty
stdout
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hey where_is_the book on.brown.table
hey there_is_a_boy_in_the city Delhi
hey here.is.the.boy living next door
https://ideone.com/MebBAn
language:
Groovy (groovy 2.5.6)
created:
6 years ago
visibility:
secret

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