Regexper – Regular expressions visualizer
Here's an example of a regex to validate us phone numbershttps://regexper.com/#%2F%5E(1%5Cs%3F)%3F(%5B0-9%5D%7B3%7D%7...Fromhttps://www.freecodecamp.org/challenges/validate-us-telephon...I found these 11 videos most helpful when learning regex from codecoursehttps://www.youtube.com/watch?v=GVZOJ1rEnUg&index=1&list=PLf...