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Fix typos - strings.Rmd (#149) 

* Fix typos

* Changed excercise 10.2.6 1.2 back to original
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behrman 2016-07-15 11:03:18 -07:00 committed by Hadley Wickham
parent 154cd9486b
commit 0934f77c28
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strings.Rmd
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@ -364,7 +364,7 @@ Note that the precedence of these operators is high, so you can write: `colou?r`
### Grouping and backreferences
You learned about parentheses earlier as a way to disambiguate complex expression. They do one other special thing: they also define numeric groups that you can refer to with _backreferences_, `\1`, `\2` etc.For example, the following regular expression finds all fruits that have a pair of letters that's repeated.
You learned about parentheses earlier as a way to disambiguate complex expression. They do one other special thing: they also define numeric groups that you can refer to with _backreferences_, `\1`, `\2` etc. For example, the following regular expression finds all fruits that have a pair of letters that's repeated.
```{r, cache = FALSE}
str_view(fruit, "(..)\\1", match = TRUE)
@ -602,7 +602,7 @@ sentences %>%
#### Exercises
1. Replace all `/`'s in a string with `\`'s.
1. Replace all `/`s in a string with `\`s.
### Splitting