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  1. import java.util.*
  2.  
  3. fun main(args: Array<String>) {
  4.     data class Journal(val timestamp: String, val text: String)
  5.     val timestampPattern = """\d{2}-\d{2}-\d{4}\h+\d{2}:\d{2}:\d{2}"""
  6.     val journalRegex = """^($timestampPattern)\h*-\h*(.*(?:\R(?!$timestampPattern).*)*)""".toRegex(RegexOption.MULTILINE)
  7.  
  8.     val journals = """
  9.         28-03-2020 23:00:00 - This
  10.         is
  11.         line
  12.         1
  13.  
  14.         28-03-2021 14:23:15 - This
  15.         is
  16.         line
  17.         2
  18.  
  19.     """.trimIndent()
  20.  
  21.     journalRegex.findAll(journals)
  22.         .map { it.destructured }
  23.         .map { (first, second) -> Journal(text = second, timestamp = first) }
  24.         .forEachIndexed { index, journal -> println("Match #${index + 1}: $journal") }
  25. }
  26.  
Success #stdin #stdout 0.17s 44060KB
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stdin
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Standard input is empty
stdout
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Match #1: Journal(timestamp=28-03-2020 23:00:00, text=This
is
line
1
)
Match #2: Journal(timestamp=28-03-2021 14:23:15, text=This
is
line
2
)
https://ideone.com/QP3yvW
language:
Kotlin (kotlin 1.3.21)
created:
4 years ago
visibility:
public

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