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 |
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.
var regex = new RegExp('foo', 'i'); console.log(regex.ignoreCase); // true
Specification |
---|
ECMAScript (ECMA-262) The definition of 'RegExp.prototype.ignoreCase' in that specification. |
Desktop | ||||||
---|---|---|---|---|---|---|
ignoreCase |
1 | 12 | 1 | 5.5 | 5 | 1 |
Prototype accessor property (ES2015) | 48 | 12 | 38 | 5.5 | 35 | 1.3 |
Mobile | ||||||
---|---|---|---|---|---|---|
ignoreCase |
1 | 18 | 4 | 10.1 | 1 | 1.0 |
Prototype accessor property (ES2015) | 48 | 48 | 38 | 35 | 1 | 5.0 |
Server | |
---|---|
ignoreCase |
0.1.100 |
Prototype accessor property (ES2015) | 6.0.0 |
RegExp.lastIndex
RegExp.prototype.global
RegExp.prototype.multiline
RegExp.prototype.source
RegExp.prototype.sticky
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://wiki.developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/RegExp/ignoreCase