title: capitalizeEveryWord tags: string,regexp,intermediate
Capitalizes the first letter of every word in a string.
Use String.prototype.replace()
to match the first character of each word and String.prototype.toUpperCase()
to capitalize it.
const capitalizeEveryWord = (str: string = "") =>
str.replace(/\b[a-z]/g, (char) => char.toUpperCase());
capitalizeEveryWord("hello world!"); // 'Hello World!'