The “gooooal” example here took me quite awhile to understand. There are many good explanations on here, but I was confused for awhile about the flags and the example used in the explanation.
let soccerWord = "gooooooooal!"; let gPhrase = "gut feeling"; let oPhrase = "over the moon"; let goRegex = /go*/; soccerWord.match(goRegex); gPhrase.match(goRegex); oPhrase.match(goRegex);
To test this out, I headed over to https://regexr.com/ and ran the following 3 tests:
At first, I couldn’t understand why the example didn’t use the
g flag but still returned the
gut feeling. In the first test in my image, not using a
g flag results in the g from gut not being matched. Using the
g flag in the second test, it does match the g from gut.
Finally I realized this was because the example provided here is using two distinct strings
gPhrase but my tests were regarded as single strings which was why I had to include a
g flag. In the last test I am able to get the same result as the example here by only putting the word “gut” in my string and not needing the
Hope this helps someone!
Challenge: Regular Expressions - Match Characters that Occur Zero or More Times
Link to the challenge: