JavaScript: Removes non-printable ASCII characters from a given string

JavaScript fundamental (ES6 Syntax): Exercise-12 with Solution

Remove Non-Printable ASCII from String

Write a JavaScript program to remove non-printable ASCII characters from a given string.

• Use String.prototype.replace() with a regular expression to remove non-printable ASCII characters.

Sample Solution:

JavaScript Code:

//#Source https://bit.ly/2neWfJ2 
// Define a function called `remove_non_ASCII` that removes non-ASCII characters from a string.
const remove_non_ASCII = str => str.replace(/[^\x20-\x7E]/g, '');

// Test the function
console.log(remove_non_ASCII('äÄçÇéÉêw3resouröceÖÐþúÚ')); // Output: w3resource

Output:

w3resource

Visual Presentation:

Flowchart:

Live Demo:

See the Pen javascript-basic-exercise-1-12 by w3resource (@w3resource) on CodePen.

For more Practice: Solve these Related Problems:

• Write a JavaScript program that filters out all non-printable ASCII characters from a given string using regular expressions.
• Write a JavaScript function that cleans a string by removing control characters and returns the sanitized output.
• Write a JavaScript program that iterates through a string and constructs a new string containing only printable ASCII characters.

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