strings.isDigit() function

The strings.isDigit() function tests if a single-character string is a digit (0-9).

Output data type: Boolean

import "strings"

strings.isDigit(v: "A")

// returns false

Parameters

v

The single-character string to test.

Data type: String

Examples

Filter by columns with digits as values
import "strings"

data
  |> filter(fn: (r) => strings.isDigit(v: r.serverRef))

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