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Specify a pattern for keyframe names.

@keyframes slide-right {}
/** ↑
* The pattern of this */

The message secondary option can accept the arguments of this rule.



A string will be translated into a RegExp like so new RegExp(yourString) — so be sure to escape properly.

Given the string:


The following patterns are considered problems:

@keyframes foo {}
@keyframes bar {}
@keyframes FOO-bar {}

The following patterns are not considered problems:

@keyframes foo-bar {}