Question

How to extract all numbers from string including floats in Node.js

Answer 1

const s = "node.js17.1php412hjdsf72q1p0on8mq3.14 php 9953";
  
const arr = s.match(/\d+\.\d+|\d+\b|\d+(?=\w)/g)
             .map(function(n) {return + n;}); 
             
console.log(arr); 
  
    
      
      
/*
run:
      
[17.1, 412, 72, 1, 0, 8, 3.14, 9953]
      
*/

 

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Answer 2

const regex = /[+-]?\d+(\.\d+)?/g;

const s = "node.js17.1php412hjdsf72q1p0on8mq3.14 php 9953";

const arr = s.match(regex).map(function(v) { return parseFloat(v); });

console.log(arr);
  
    
      
      
/*
run:
      
[17.1, 412, 72, 1, 0, 8, 3.14, 9953]
      
*/

 

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