this is the only that I can see but it doesn't men...

# getting-started

[kagomez]

this is the only that I can see but it doesn't mention \d

[andyb]

kagomez: You appear to be creating a Regular expression. The list of special characters for a regex can be found here: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html

[kagomez]

thanks andy that solved it 😄