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replace /D solution in Clear category for Count Digits by zoezed
import assert from "assert";
var countDigits = (text: string): number => text.replace(/\D/g, '').length
console.log('Example:');
console.log(countDigits('hi'));
// These "asserts" are used for self-checking
assert.equal(countDigits('hi'), 0);
assert.equal(countDigits('who is 1st here'), 1);
assert.equal(countDigits('my numbers is 2'), 1);
assert.equal(countDigits('This picture is an oil on canvas '
+ 'painting by Danish artist Anna '
+ 'Petersen between 1845 and 1910 year'), 8);
assert.equal(countDigits('5 plus 6 is'), 2);
assert.equal(countDigits(''), 0);
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June 26, 2020