Question

How to remove the letters (all non-numeric) from a string in TypeScript

Answer 1

let s: string = '123typescript +55-55 999programming 9783201language';
  
s = s.replace(/\D/g,'');
 
console.log(s);
 
 
 
 
/*
 
run:
 
"12355559999783201" 
 
*/

 

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Answer 2

let s = '-3.14typescript +55-55 999programming 9783201language';
   
s = s.replace(/[^\d.-]/g, '');
 
console.log(s);
 
 
 
/*
 
run:
 
"-3.1455-559999783201" 
 
*/

 

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