Reuse Patterns Using Capture Groups_2

[fbattle]

Hi ACF, go here and read joker314’s explanation. He nails it.

Regex Question (Regular Expressions: Reuse Patterns Using Capture Groups) BETA

@chris-isnofun I struggled with this too and also tried using 2 groups, even 3 groups 2 with a space and a final group with no space to signify the end of the white space sequence, faffed around with it for ages, then had to resort to the forums, and tbh I still don’t really understand the answer… i get the beginning part:(\d+)\s\1 the group were matching, but then i don’t understand how this translates to check for the group 3 times \s\1$ what if the challenge was different and we wanted to …

Also, remember this lesson where the caret has another meaning, to say the matched regex pattern starts at the beginning of the string. The caret and dollar sign are saying exactly how the pattern must start and must end.

freeCodeCamp.org

-Fred