Question

Just curious. what are the differences between?

var a=text.replace(/(Nullam|ligula|in)/ig,'`<b>$1</b>`');

with

var string = "Nullam|lingula|in";  
var pattern = new RegExp (string, "ig");    
var a=text.replace(pattern ,'`<b>$1</b>`');

This should gives out the same result, but it doesn’t. Any thoughts?

Thank you

Answer 1

You’re missing parens in your later statement, so there are no captures. And the flag is gi, not ig (although I’m not sure if this makes any difference)

var reString = "(Nullam|lingula|in)"; var pattern = new RegExp (reString, "gi");