문자열이 숫자인지 확인. Kotlin

문자열이 숫자인지 확인. Kotlin



문자열이 숫자인지 확인
Kotlin example code

Kotlin

  Output result
12345s15 is not a number
문자열이 숫자인지 정규식(regex)을 사용하지 않는지 확인
Kotlin example code

Kotlin

  Output result
-1234.15 is a number


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