Reguläre Ausdrücke beenden: JavaScript lernen

let ohStr "Ohhh no";
let ohRegex = /Oh{3,6} no/; // Change this line
let result = ohRegex.test(ohStr);

// Lower Number of Matches
let haStr = "Hazzzzah";
let haRegex = /Haz{4,}ah/; // Change this line
let result = haRegex.test(haStr);

// Exact Number of Matches
let timStr = "Timmmmber";
let timRegex = /Tim{4}ber/; // Change this line
let result = timRegex.test(timStr);

let favWord = "favorite";
let favRegex = /favou?rite/; // Change this line
let result = favRegex.test(favWord);

// Positive Lookahead
let sampleWord = "astronaut";
let pwRegex = /(?=\w{6})(?=\D*\d{2})/; // Change this line
let result = pwRegex.test(sampleWord);

// Mixed Character Grouping
let myString = "Eleanor Roosevelt";
let myRegex = /(Eleanor|Franklin) (([A-Z]\.?|[A-Z][a-z]+) )?Roosevelt/; // Change this line
let result = myRegex.test(myString); // Change this line

// Capture Groups
let repeatNum = "42 42 42";
let reRegex = /^(\d+) \1 \1$/; // Change this line
let result = reRegex.test(repeatNum);

// Last Problem
let hello = "   Hello, World!  ";
let wsRegex = /^\s+|\s+$/gi; // Change this line
let result = hello.replace(wsRegex, "");