Now we're doing the Telephone Validator. Our job is to determine whether a given phone number is a valid US number or not.
This video covers:
- What regular expressions (RegEx) are.
- Popular regex tools.
- A useful tool to analyze them.
- Testing strings against regex.
- An analysis of two solutions.
- One is faster, yet harder to read.
- The other is just a bit slower, but much easier to read.
- and more!
You can watch the full video on my YouTube channel.
Here's a link to the entire playlist as well.