Question

How to get the first matched number in a string using regex in JavaScript

Answer 1

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

document.write(s.match(/[0-9]+/)); 
 
 
  
/*
run:
   
01223
      
*/

 

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Answer 2

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

document.write(/[0-9]+/.exec(s)); 
 
 
  
/*
run:
   
01223
      
*/

 

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