# Repeats


The following table shows the supported repeated expansions for rules. For more information, see [Repeats](https://www.w3.org/TR/speech-grammar/#S2.5) in the *Speech recognition grammar specification version 1* W3C recommendation. 


| XML formExample | Behavior | Supported? | 
| --- | --- | --- | 
| *repeat="n"* repeat="6" | The contained expression is repeated exactly "n" times. "n" must be "0" or a positive integer. | Yes | 
| *repeat="m-n"* repeat="4-6" | The contained expansion is repeated between "m" and "n" times (inclusive). "m" and "n" must both be "0" or a positive integer, and "m" must be less than or equal to "n". | Yes | 
| *repeat="m-"* repeat="3-" | The contained expansion is repeated "m" times or more (inclusive). "m" must be "0" or a postive integer. For example, "3-" declares that the contained expansion can occur three, four, five, or more times. | Yes | 
| *repeat="0-1"*  | The contained expansion is optional. | Yes | 
| <item repeat="2-4" repeat-prob="0.8"> |   | No |