The flags
property returns a string consisting of the flags of the current regular expression object.
RegExp.prototype.flags
Try it
Property attributes of RegExp.prototype.flags |
|
---|---|
Writable | no |
Enumerable | no |
Configurable | yes |
Description
Flags in the flags
property are sorted alphabetically (from left to right, e.g. "gimsuy"
).
Examples
Using flags
/foo/ig.flags; // "gi" /bar/myu.flags; // "muy"
Polyfill
if (RegExp.prototype.flags === undefined) { Object.defineProperty(RegExp.prototype, 'flags', { configurable: true, get: function() { return this.toString().match(/[gimsuy]*$/)[0]; } }); }
Specifications
Browser compatibility
Desktop | Mobile | Server | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
flags |
49
|
79
|
37
|
No
|
39
|
9
|
49
|
49
|
37
|
41
|
9
|
5.0
|
1.0
|
6.0.0
|
See also
© 2005–2022 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/flags