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Reverse the order of lines of a text

JavaScript version

const reverseLines = (str) => str.split(/\r?\n/).reverse().join('\n');

TypeScript version

const reverseLines = (str: string): string => str.split(/\r?\n/).reverse().join('\n');

Examples

reverseLines(`one
two
three`);

/* Output */
/*
three
two
one
*/

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