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.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.
Data type: String
substr
The substring to search for.
Data type: String
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")
})
)