strings.countStr() function

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

Parameters

v

The string value to search.

*Data type: String*

substr

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

Examples

Count instances of a substring within a string

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