Question

How to get the first digit from a string in TypeScript

Answer 1

const str = 'javascript c 712 typescript 908 node.js';

const index = str.search(/[0-9]/);

const firstDigit = index != -1 ? Number(str[index]) : -1;

console.log(firstDigit); 


  
  
  
  
/*
run:
  
7
  
*/

 

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