docs-v2/content/v2.0/reference/flux/stdlib/strings/lastindexany.md

title	description	aliases	menu	weight	related
strings.lastIndexAny() function	The `strings.lastIndexAny()` function returns the index of the last instance of any specified characters in a string.	/v2.0/reference/flux/functions/strings/lastindexany/	v2_0_ref name parent strings.lastIndexAny Strings	301	/v2.0/reference/flux/stdlib/strings/index/ /v2.0/reference/flux/stdlib/strings/indexany/ /v2.0/reference/flux/stdlib/strings/lastindex/

The strings.lastIndexAny() function returns the index of the last instance of any specified characters in a string. If none of the specified characters are present, the function returns -1.

Output data type: Integer

import "strings"

strings.lastIndexAny(v: "chicken", chars: "aeiouy")

// returns 5

Parameters

v

The string value to search.

Data type: String

chars

Characters to search for.

Data type: String

Examples

Find the last occurrence of characters from a string

import "strings"

data
  |> map(fn: (r) => ({
      r with
      charLastIndex: strings.lastIndexAny(v: r._field, chars: "_-")
    })
  )