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RegExp.prototype.ignoreCase - JavaScript | MDN
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  1. Tecnologia Web para desenvolvedores
  2. JavaScript
  3. Referncia JavaScript
  4. Objetos Globais
  5. RegExp
  6. RegExp.prototype.ignoreCase
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RegExp.prototype.ignoreCase

Baseline Widely available

This feature is well established and works across many devices and browser versions. Its been available across browsers since julho de 2015.

O atributo ignoreCase indica se a flag "i" foi ou no utilizada com a expresso regular.ignoreCase um atributo somente leitura de uma instncia individual de expressoregular.

In this article

Experimente

const regex1 = new RegExp("foo");
const regex2 = new RegExp("foo", "i");

console.log(regex1.test("Football"));
// Expected output: false

console.log(regex2.ignoreCase);
// Expected output: true

console.log(regex2.test("Football"));
// Expected output: true
Property attributes of RegExp.prototype.ignoreCase
Writableno
Enumerableno
Configurableyes

Descrio

O valor de ignoreCase um Boolean etrue se a flag "i" foi usada; false caso contrrio. A flag "i" indica que maisculas e minsculas so equivalentes ao se tentar casar uma string com a expresso regular.

Voc no pode alterar essa propriedade diretamente.

Exemplos

Usando ignoreCase

js
var regex = new RegExp("foo", "i");

console.log(regex.ignoreCase); // true

Especificaes

Specification
ECMAScript 2027 LanguageSpecification
# sec-get-regexp.prototype.ignorecase

Compatibilidade com navegadores

See also

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  1. Objetos Globais
  2. RegExp
  3. Construtor
    1. RegExp()
  4. Mtodos estticos
    1. escape()
  5. Propriedades estticas
    1. $1, , $9
    2. input ($_)
    3. lastMatch ($&)
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    7. [Symbol.species]
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  7. Propriedades de instncia
    1. lastIndex
    2. dotAll
    3. flags
    4. global
    5. hasIndices
    6. RegExp.prototype.ignoreCase
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