RegExp.prototype.flags
The flags
property returns a string consisting of the flags of the current regular expression object.
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
Specification |
---|
ECMAScript Language Specification # sec-get-regexp.prototype.flags |
Browser compatibility
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