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Merge branch 'master' of github.com:hadley/r4ds

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hadley
2016-01-22 10:03:23 -06:00
parent 5e8d952313 dc23061338
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strings.Rmd
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@@ -330,7 +330,7 @@ str_view(c("grey", "gray"), "gr(e|a)y")
### Repetition ### Repetition
The next step up in power involves control how many times a pattern matches: The next step up in power involves control over how many times a pattern matches:
* `?`: 0 or 1 * `?`: 0 or 1
* `+`: 1 or more * `+`: 1 or more