How To Replace All Dots In A String In JavaScript

There are many ways to replace all dots in a string in JavaScript. In this article, I will show you how to use For loop and some built-in string functions like replace(), and replaceAll(),… to do that. Let’s go into detail now.

How To Replace All Dots in a String in JavaScript

Use conditional statements

In Javascript, we can use For loop to solve most string problems. And now, I will use For loop to replace all dots in a string.

Example:

var myString = "This.is.a.string";
var newString = '';

for (let i = 0 ; i < myString.length ; i++)

{
    if(myString[i] === '.'){
      newString = newString + " ";
    }
    else
    	newString = newString + myString[i];
}

console.log(newString);

Output:

This is a string

In the above example, I changed all the dots in the string myString to a space character by For loop combined with an if conditional to check which character is a period. Then I replaced it with a space, and we no longer see any more dots in that string.

Use replace() method 

Replace() method is a built-in function that can replace any string with the desired string. To replace all dots in a string, we have to use regular expressions while searching for any string so we can do what we want.

Syntax:

string.replace(searchValue, newValue)

Parameters – Description:

• searchValue: is the string that you want to replace with another string.
• newValue: is the replacement string you want.

Example:

var myString = "This.is.a.string";
var newString = myString.replace(".", " ");

console.log(newString);

Output:

This is.a.string

The above example shows that if we use the replace() method in the usual way, it only replaces a string, then the first one it finds. So if we want to replace all dots in a string, we have to use more regular expressions. I do it like this:

var myString = "This.is.a.string";
var newString = myString.replace(/\./g,' ');

console.log(newString);

Output:

This is a string

After adding the regular expression, we see that our program has output to the console precisely as we want.

Use replaceAll() method 

ReplaceAll(), the exact mechanism of action as replace() is also to get a string, any characters will be replaced with the character string you want, but the difference is that the replaceAll() method can replace the entire string of characters found without need a regular expression like replace() method.

Syntax:

string.replaceAll(searchValue, newValue)

Parameters – Description:

• searchValue: is the string that you want to replace with another string.
• newValue: is the replacement string you want.

Example:

var myString = "This.is.a.string";
var newString = myString.replaceAll(".", " ");

console.log(newString);

Output:

This is a string

Summary

In this article, I have helped you with some ways to replace all dots in a string in JavaScript. In my opinion, these are pretty easy to remember and easy to use. I hope it will help you and your program. Good luck.

Maybe you are interested:

• Check if String contains only Digits in JavaScript
• Remove all Whitespace from a String in JavaScript
• Replace all Spaces in a String in JavaScript

Tom Joseph

My name is Tom Joseph, and I work as a software engineer. I enjoy programming and passing on my experience. C, C++, JAVA, and Python are my strong programming languages that I can share with everyone. In addition, I have also developed projects using Javascript, html, css.

Job: Developer
Name of the university: UTC
Programming Languages: C, C++, Javascript, JAVA, python, html, css