strings.countStr() function

Warning! This page documents an earlier version of Flux, which is no longer actively developed. Flux v0.50 is the most recent stable version of Flux.

The strings.countStr() function counts the number of non-overlapping instances of a substring appears in a string.

Output data type: Integer

import "strings"

strings.countStr(v: "Hello mellow fellow", substr: "ello")

// returns 3



The string value to search.

Data type: String


The substring to count.

Data type: String

The function counts only non-overlapping instances of substr. For example:

strings.coutnStr(v: "ooooo", substr: "oo")

// Returns 2 -- (oo)(oo)o


Count instances of a substring within a string
import "strings"

  |> map(fn: (r) => ({
      r with
      _value: strings.countStr(v: r.message, substr: "uh")