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  1. let test = "I have 12 cars, 11 of which are 89 years old";
  2.  
  3. let x = test.replace(/\s\d+\s/g, (match) => {
  4.   if (parseInt(match) % 2) return " BEEP ";
  5.   else return match;
  6. });
  7.  
  8. console.log(x);
  9.  
Success #stdin #stdout 0.04s 16564KB
comments (?)
stdin 
Standard input is empty
stdout 
I have 12 cars, BEEP of which are BEEP years old
https://ideone.com/sHemHh
language:
JavaScript (SMonkey 60.2.3)
created:
12 days ago
visibility:
public

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