Repeat pattern components
The Repeat dialog allows you to specify how often a component or pattern repeats.

Once only | No repeat (default). |
Exactly | The component repeats the specified number of times. |
Optional | The component is optional (not required for match). |
Up to | The component is mandatory but cannot repeat more than the specified number of times. |
0 or more | The component is optional but can repeat any number of times. |
1 or more | The component is mandatory but can repeat any number of times. |
At least | The component must repeat the specified number of times or more. |
Between | The component must repeat at least the lower number of times but no more than the higher number. |