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  1. import java.util.*
  2.  
  3. fun main(args: Array<String>) {
  4.     val regex = """(?:\G(?!^)|(?<=^[^@]{2}|@))[^@](?!\.[^.]+$)""".toRegex()
  5.     val email = "lucyrocher@gmail.com"
  6. 	val emailMask = email.replace(regex, "*")
  7. 	print(emailMask)
  8. }
Success #stdin #stdout 0.09s 43540KB
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Standard input is empty
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lu********@****l.com
https://ideone.com/2k43Jr
language:
Kotlin (kotlin 1.3.21)
created:
3 years ago
visibility:
secret

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