var contents = [
	`<div>${"A".repeat(50000)}\u2029${"B".repeat(10)}</div>`,
	`<div>${"A".repeat(50000)}\n${"B".repeat(10)}</div>`
];

const patterns = [
	/.*(?:\r\n?|\n)|.*$/g,
	/.*(?:\r\n?|[\n\u2028\u2029])|.*$/g
];


for (const pattern of patterns) {
	console.log("================");
	console.log("  Pattern", pattern);


	for (let i = 0, m = 2; i < m; i++) {
		const startTime = Date.now();	

		let linePattern = pattern;
		let content = contents[i];
		linePattern.lastIndex = -1;

		let m;
		let count = 0;
		while ((m = linePattern.exec(content))) {
			if (m.index === linePattern.lastIndex) {
				linePattern.lastIndex++;
			}
			count++;
		}
			
		console.log("    Matcher", i, "found" ,  count," and took ", (Date.now() - startTime) / 1000, "sec");
	}
}