1.2 KiB
1.2 KiB
title | description | aliases | menu | weight | related | introduced | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
strings.lastIndex() function | The strings.lastIndex() function returns the index of the last instance of a substring in a string or `-1` if substring is not present. |
|
|
301 |
|
0.18.0 |
The strings.lastIndex()
function returns the index of the last instance of a substring
in a string. If the substring is not present, the function returns -1
.
Output data type: Integer
import "strings"
strings.lastIndex(v: "go gopher", substr: "go")
// returns 3
Parameters
v
The string value to search.
substr
The substring to search for.
Examples
Find the last occurrence of a substring
import "strings"
data
|> map(fn: (r) => ({r with the_index: strings.lastIndex(v: r.pageTitle, substr: "the")}))