Please note, this is a STATIC archive of website developer.mozilla.org from 03 Nov 2016, cach3.com does not collect or store any user information, there is no "phishing" involved.

RegExp.prototype.ignoreCase

Nuestros voluntarios aún no han traducido este artículo al Español. Únete a nosotros y ayúdanos a traducirlo

The ignoreCase property indicates whether or not the "i" flag is used with the regular expression. ignoreCase is a read-only property of an individual regular expression instance.

Property attributes of RegExp.prototype.ignoreCase
Writable no
Enumerable no
Configurable yes

Description

The value of ignoreCase is a Boolean and true if the "i" flag was used; otherwise, false. The "i" flag indicates that case should be ignored while attempting a match in a string.

You cannot change this property directly.

Examples

Using ignoreCase

var regex = new RegExp('foo', 'i');

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

Specifications

Specification Status Comment
ECMAScript 3rd Edition (ECMA-262) Standard Initial definition. Implemented in JavaScript 1.2. JavaScript 1.5: ignoreCase is a property of a RegExp instance, not the RegExp object.
ECMAScript 5.1 (ECMA-262)
The definition of 'RegExp.prototype.ignoreCase' in that specification.
Standard  
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'RegExp.prototype.ignoreCase' in that specification.
Standard ignoreCase is now a prototype accessor property rather than an instance's own data property.
ECMAScript 2017 Draft (ECMA-262)
The definition of 'RegExp.prototype.ignoreCase' in that specification.
Draft  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
Prototype accessor property ? 38 (38) ? ? ?
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)
Prototype accessor property ? ? 38.0 (38) ? ? ?

See also

Etiquetas y colaboradores del documento

 Colaboradores en esta página: fscholz, Mingun, Sheppy, Mgjbot, Maian, Prodoc, Dria
 Última actualización por: fscholz,