regexp.findString() function
The regexp.findString()
function returns the left-most regular expression match in a string.
*Output data type: String*
import "regexp"
findString(r: /foo.?/, v: "seafood fool")
// Returns "food"
Parameters
r
The regular expression used to search v
.
*Data type: Regexp*
v
The string value to search.
*Data type: String*
Examples
Find the first regular expression match in each row
import "regexp"
data
|> map(fn: (r) => ({
r with
message: r.message,
regexp: r.regexp,
match: regexp.findString(r: r.regexp, v: r.message)
})
)