JavaScript RegExp \uxxxx 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;
The marked text below shows where the expression gets a match:
Visit W3Schools. Hello World!
Try it yourself »
Definition and Usage
The \uxxxx character is used to find the Unicode character specified by a hexadecimal number xxxx.
If no match is found, it returns null.
Browser Support
The \uxxxx metacharacter is supported in all major browsers.
Syntax
new RegExp("\\uxxxx")
or simply:
/\uxxxx/
Syntax with modifiers
new RegExp("\\uxxxx","g")
or simply:
/\uxxxx/g
JavaScript RegExp Object