Javascript Regex: replacing the last dot for a comma

Question

I have the following code:

var x = \"100.007\"
x = String(parseFloat(x).toFixed(2));
return x
=> 100.01

This works awesomely just how I

Answer 1

You could do it using the lastIndexOf() function to find the last occurrence of the , and replace it.

The alternative is to use a regular expression with the end of line marker:

myOldString.replace(/,([^,]*)$/, ".$1");