regexp.matchRegexpString() function
regexp.matchRegexpString() tests if a string contains any match to a regular expression.
Function type signature
(r: regexp, v: string) => bool
For more information, see Function type signatures.
Parameters
r
(Required)
Regular expression used to search v.
v
(Required) String value to search.
Examples
- Test if a string contains a regular expression match
- Filter by rows that contain matches to a regular expression
Test if a string contains a regular expression match
import "regexp"
regexp.matchRegexpString(r: /(gopher){2}/, v: "gophergophergopher")// Returns true
Filter by rows that contain matches to a regular expression
import "regexp"
import "sampledata"
sampledata.string()
|> filter(fn: (r) => regexp.matchRegexpString(r: /_\d/, v: r._value))
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