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The unicode
property indicates whether or not the "u
" flag is used with a regular expression. unicode
is a read-only property of an individual regular expression instance.
Property attributes of RegExp.prototype.unicode |
|
---|---|
Writable | no |
Enumerable | no |
Configurable | yes |
Description
The value of unicode
is a Boolean
and true
if the "u
" flag was used; otherwise false
. The "u
" flag enables various Unicode-related features. With the "u" flag, any Unicode code point escapes will be interpreted as such, for example.
You cannot change this property directly. It is read-only.
Examples
Using the unicode
property
var regex = new RegExp('\u{61}', 'u'); console.log(regex.unicode); // true
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'RegExp.prototype.unicode' in that specification. |
Standard | Initial definition. |
ECMAScript 2017 Draft (ECMA-262) The definition of 'RegExp.prototype.unicode' in that specification. |
Draft |
Browser compatibility
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | No support | 46 (46) | No support | No support | No support |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | No support | No support | 46.0 (46) | No support | No support | No support |