Question

How to extract all the numbers from a string include the last index using regex in JavaScript

Answer 1

var s = "javascript01223c++3php500--9_8";

var pattern = /[0-9]+/g;
var n;
while (n = pattern.exec(s)) {
   document.write(n + ' - lastIndex = ' + pattern.lastIndex + '<br />'); 
}

 
 
  
/*
run:
   
01223 - lastIndex = 15
3 - lastIndex = 19
500 - lastIndex = 25
9 - lastIndex = 28
8 - lastIndex = 30
      
*/

 

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