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9527 :: How to check if a string is numeric?

• tubbs (orginal) [2022-10-13T22:33:51+02:00] view original

  After reading the docs and scanning google and read 1200 discussions on how to check if a string is number in nim I turn to you. Pls how do I do that? Thanks

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• Araq (orginal) [2022-10-13T22:37:02+02:00] view original

  Like so.

  import strutils
  
  proc isNumber(x: string): bool =
    try:
      discard parseInt(x)
      result = true
    except ValueError:
      result = false
  Run

  There are many other ways.

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• juancarlospaco (orginal) [2022-10-14T00:39:17+02:00] view original

  https://nim-lang.github.io/Nim/strutils.html#isDigit%2Cchar

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