JavaScript RegExp \udddd Metacharacter
Example
Do a global search for the hexadecimal number 0057 (W) in a string:
var str = "Visit W3Schools. Hello World!";
var patt1 = /\u0057/g;
Try it Yourself »
Definition and Usage
The \udddd character is used to find the Unicode character specified by a hexadecimal number dddd.
If no match is found, it returns null.
Browser Support
| Expression | |||||
|---|---|---|---|---|---|
| \udddd | Yes | Yes | Yes | Yes | Yes |
Syntax
new RegExp("\\udddd")
or simply:
/\udddd/
Syntax with modifiers
new RegExp("\\udddd", "g")
or simply:
/\udddd/g
