Question

How to extract all digits from a string in TypeScript

Answer 1

function extractDigits(str: string): string {
    return str.replace(/[^0-9]/g, "");
}

const str = '5 type8script 9001 c c++ 17';

const digits: string = extractDigits(str);

console.log(digits);  


/*
run:

58900117

*/

 

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