regexp.findString() function
The regexp.findString() function returns the left-most regular expression match in a string.
Output data type: String
import "regexp"
regexp.findString(r: /foo.?/, v: "seafood fool")
// Returns "food"
Parameters
r
The regular expression used to search v.
v
The string value to search.
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)
})
)
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