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reduce solution in Clear category for Sum Numbers by Sim0000
import assert from "assert";
function sumNumbers(text: string): number {
return text.split(' ').reduce((a, w) => /^[0-9]+$/.test(w) ? a + parseInt(w) : a, 0);
}
console.log('Example:');
console.log(sumNumbers('hi'));
// These "asserts" are used for self-checking
assert.equal(sumNumbers('hi'), 0);
assert.equal(sumNumbers('who is 1st here'), 0);
assert.equal(sumNumbers('my numbers is 2'), 2);
assert.equal(sumNumbers('This picture is an oil on canvas ' +
'painting by Danish artist Anna ' +
'Petersen between 1845 and 1910 year'), 3755);
assert.equal(sumNumbers('5 plus 6 is'), 11);
assert.equal(sumNumbers(''), 0);
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July 9, 2020
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