You can try replacing them with a given list of char using replace() method and Regex in JavaScript.
How to JavaScript escape special characters example
Example code of JavaScript function to escapes special characters (&, <, >, ‘, “) for use in HTML.
<!DOCTYPE html>
<html>
<body>
<script>
function escape_html(str) {
if ((str===null) || (str===''))
return false;
else
str = str.toString();
var map = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": '''
};
return str.replace(/[&<>"']/g, function(m) { return map[m]; });
}
console.log(escape_html('SQL & MySQL'));
console.log(escape_html('10 > 2'));
</script>
</body>
</html>Output:
Another example
function escapeRegExp(input) {
const source = typeof input === 'string' || input instanceof String ? input : '';
return source.replace(/[-[/\]{}()*+?.,\\^$|#\s]/g, '\\$&');
}More example
// Vanilla JS
function escapeRegex(string) {
return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
}
// Or with npm: npm install escape-string-regexp
const escapeRegex = require('escape-string-regexp');
// Usage:
const regex = new RegExp(escapeRegex('How much $ is that?'));Do comment if you have any doubts or suggestions on this JS escape topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version