JavaScript: Remove non-word characters

JavaScript String : Exercise-33 with Solution

Write a JavaScript function to remove non-word characters.

Test Data :
console.log(remove_non_word('PHP [email protected]#$%^&*()+`-={}[]|\\:";\'/?><., MySQL'));

Pictorial Presentation:

JavaScript: Remove non-word characters

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_word (str) {
    if ((str===null) || (str===''))
       return false;
   str = str.toString();
var PATTERN = /[^\x20\x2D0-9A-Z\x5Fa-z\xC0-\xD6\xD8-\xF6\xF8-\xFF]/g;
  return str.replace(PATTERN, '');
console.log(remove_non_word('PHP [email protected]#$%^&*()+`-={}[]|\\:";\'/?><., MySQL'));

Sample Output:


Flowchart :

Flowchart: JavaScript- Remove non-word characters

Live Demo :

See the Pen JavaScript Remove non-word characters-string-ex-33 by w3resource (@w3resource) on CodePen.

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JavaScript: Tips of the Day

Converts a given string into an array of words


const words = (str, pattern = /[^a-zA-Z-]+/) => str.split(pattern).filter(Boolean);
console.log(words('I love javaScript!!')); // ["I", "love", "javaScript"]
console.log(words('python, javaScript & coffee')); // ["python", "javaScript", "coffee"] 


["I", "love", "javaScript"]
["python", "javaScript", "coffee"]