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URL: http://developer.mozilla.org/ru/docs/Web/JavaScript/Reference/Global_Objects/RegExp/flags

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RegExp.prototype.flags

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since январь 2020 г..

Сводка

Свойство flags возвращает строку, состоящую из флагов текущего регулярного выражения.

Описание

Флаги в свойстве flags упорядочены по алфавиту (слева направо, то есть "gimuy").

Примеры

Пример: использование свойства flags

js
/foo/gi.flags; // "gi"
/bar/muy.flags; // "muy"

Полифил

js
if (RegExp.prototype.flags === undefined) {
  Object.defineProperty(RegExp.prototype, "flags", {
    configurable: true,
    get: function () {
      return this.toString().match(/[gimuy]*$/)[0];
    },
  });
}

Спецификации

Specification
ECMAScript® 2027 Language Specification
# sec-get-regexp.prototype.flags

Совместимость с браузерами

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