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count_digits solution in Uncategorized category for Count Digits by Jon_Red
import assert from'assert';
function countDigits(text:string):number{
return (text.match(/\d/g)||[]).length;
}
// self-checks
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);
July 17, 2020