strings.isUpper() function
The strings.isUpper() function tests if a single character string is uppercase.
Output data type: Boolean
import "strings"
strings.isUpper(v: "A")
// returns true
Parameters
v
The single-character string value to test.
Data type: String
Examples
Filter by columns with single-letter uppercase values
import "strings"
data
|> filter(fn: (r) => strings.isUpper(v: r.host))
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