JavaScript: Remove non-printable ASCII chars

JavaScript String: Exercise-32 with Solution

Write a JavaScript function to remove non-printable ASCII chars.

Test Data:

Sample Solution:-

HTML Code:

<!DOCTYPE html>
  <meta charset="utf-8">
  <title>JavaScript function to remove non-printable ASCII chars.</title>


JavaScript Code:

function remove_non_ascii(str) {
  if ((str===null) || (str===''))
       return false;
   str = str.toString();
  return str.replace(/[^\x20-\x7E]/g, '');


Sample Output:



Flowchart: JavaScript- Remove non-printable ASCII chars

Live Demo:

See the Pen JavaScript Remove non-printable ASCII chars - string-ex-32 by w3resource (@w3resource) on CodePen.

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JavaScript: Tips of the Day

Tagged template literals

function getPersonInfo(one, two, three) {

const person = 'Lydia';
const age = 21;

getPersonInfo`${person} is ${age} years old`;

If you use tagged template literals, the value of the first argument is always an array of the string values. The remaining arguments get the values of the passed expressions!

Ref: https://bit.ly/323Y0P6