Split String and move to newline in JavaScript

Question

I have a sample string in which I need to move to a new line if the value is present in the array using Javascript.

var str="name:stain empid:145 age:53   Dob:29/07/1993 sex:m"
var arr=['name','age','Dob'];

Required output:

name:stain empid:145
age:53   
Dob:29/07/1993 sex:m

str.replace(new RegExp(`\\b(${arr.join("|")})\\b`, "g"), "\n$1") — CRice
– CRice, Commented Jun 3, 2020 at 14:51

Himanshu Pandey · Accepted Answer · 2020-06-03 15:01:41Z

1

As @CRice mention good use of regex. $1 is the first group from your regular expression MDN RegExp

var str="name:stain empid:145 age:53   Dob:29/07/1993 sex:m"
var arr=['name','age','Dob'];
const result = str.replace(new RegExp(`\\b(${arr.join("|")})\\b`, "g"), "\n$1")
console.log(result)

answered Jun 3, 2020 at 15:01

Himanshu Pandey

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