Author
anonymous
over 6 years ago
JavaScript
Node.js 4.7.3
$ node prog.js
"@tadsan" => ✓ "@a" => ✓ "@abc" => ✓ "@tadsan\n" => ✓ "@tadsan\r\n" => ✓ "@tad\nsan" => ✓ "@tadsan\n\n" => ✓