babel/packages/babel-plugin-proposal-json-strings/test/fixtures/json-strings/directive-line-separator/input.js

"before
after";
//     ^ That's a U+2028 LINE SEPARATOR UTF-16 char (between 'before' and 'after')
"
"; // Just a U+2028 LINE SEPARATOR
"\
"; // Escaped U+2028 LINE SEPARATOR
"\u2028"; // Escaped U+2028 LINE SEPARATOR