Build, test, and debug regular expressions
This regular expression matches the word "fortnite" in a case-insensitive manner, allowing for any number of characters and optional whitespace between each letter. It is designed to catch obfuscated or spaced-out variations of the word, such as "f o r t n i t e" or "f.o.r.t.n.i.t.e". It is typically used in chat moderation systems to ban or filter mentions of the game Fortnite.