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    ignoreCase Redirect 1

    Summary

    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 ignoreCase Redirect 1
    Writable No
    Enumerable No
    Configurable No

    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

    Example: Using ignoreCase

    var regex = new RegExp("foo", "i")
    
    console.log(regex.ignoreCase) // true
    

    Specifications

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

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (Yes) (Yes) (Yes) (Yes) (Yes)
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) (Yes) (Yes) (Yes) (Yes) (Yes)

    See also

    Document Tags and Contributors

    Contributors to this page: Sheppy
    Last updated by: Sheppy,