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))
Was this page helpful?
Thank you for your feedback!
Support and feedback
Thank you for being part of our community! We welcome and encourage your feedback and bug reports for Flux and this documentation. To find support, use the following resources:
Customers with an annual or support contract can contact InfluxData Support.