1.1 KiB
1.1 KiB
| title | description | aliases | menu | weight | related | introduced | ||||||||||||
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| strings.index() function | The strings.index() function returns the index of the first instance of a substring in another string. |
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0.18.0 |
The strings.index() function returns the index of the first instance of a substring
in a string. If the substring is not present, it returns -1.
Output data type: Integer
import "strings"
strings.index(v: "go gopher", substr: "go")
// returns 0
Parameters
v
The string value to search.
substr
The substring to search for.
Examples
Find the first occurrence of a substring
import "strings"
data
|> map(fn: (r) => ({r with the_index: strings.index(v: r.pageTitle, substr: "the")}))