RegExp \xhh Metacharacter
A global replace for the hexadecimal character 6F (o) in a string:
let text = "Visit W3Schools. Hello World!";
let pattern = /\x6F/g;
let result = text.replace(pattern, "*");
Try it Yourself »
Description
The \xhh metacharacters matches Latin characters specified by a hexadecimal number (dd).
Syntax
new RegExp("\\xhh")
or simply:
/\xhh/
Syntax with modifiers
new RegExp("\\xhh", "g")
or simply:
/\xhh/g
Regular Expression Methods
Regular Expression Search and Replace can be done with different methods.
These are the most common:
String Methods
| Method | Description |
|---|---|
| match(regex) | Returns an Array of results |
| matchAll(regex) | Returns an Iterator of results |
| replace(regex) | Returns a new String |
| replaceAll(regex) | Returns a new String |
| search(regex) | Returns the index of the first match |
| split(regex) | Returns an Array of results |
RegExp Methods
| Method | Description |
|---|---|
| regex.exec() | Returns an Iterator of results |
| regex.test() | Returns true or false |
Browser Support
/\xhh/ is an ECMAScript1 (JavaScript 1997) feature.
It is supported in all browsers:
| Chrome | Edge | Firefox | Safari | Opera | IE |
| Yes | Yes | Yes | Yes | Yes | Yes |
