Remove all dots except the first one from a string

Question

Given a string

\'1.2.3.4.5\'

I would like to get this output

\'1.2345\'

(In case there are no dots in the

Answer 1

You could also do something like this, i also don't know if this is "simpler", but it uses just indexOf, replace and substr.

var str = "7.8.9.2.3";
var strBak = str;

var firstDot = str.indexOf(".");
str = str.replace(/\./g,"");
str = str.substr(0,firstDot)+"."+str.substr(1,str.length-1);

document.write(str);

Shai.