fork(2) download 
  1. object Main extends App {
  2. 	val line = "Displaying invoices 1 - 4 of 4 in total"
  3. 	val pattern = """\d+(?=\s*in total)""".r
  4. 	println(pattern.findFirstIn(line))
  5. }
Success #stdin #stdout 0.36s 322496KB
comments (?)
stdin 
Standard input is empty
stdout 
Some(4)
https://ideone.com/rXzbpU
language:
Scala (scala 2.12.8)
created:
9 years ago
visibility:
secret

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