Repeats
The following table shows the supported repeated expansions
for rules. For more information, see Repeats
XML form Example |
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 |