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")
})
)
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