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add 'not' to description of [^?.] regex #30

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add 'not' to description of [^?.] regex #30

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2 changes: 1 addition & 1 deletion 3_GETDATA/Getting and Cleaning Data Course Notes.Rmd
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Expand Up @@ -679,7 +679,7 @@ $\pagebreak$
* `[0-9]` = searches for a a range of characters (character class)
* *example*: `[a-zA-Z]` will match any letter in upper or lower case
* `[^?.]` = when used at beginning of character class, "^" means not (metacharacter)
* *example*: `[^?.]$` matches any line that does end in "." or "?"
* *example*: `[^?.]$` matches any line that does not end in "." or "?"
* `.` = any character (metacharacter)
* *example*: `9.11` matches 9/11, 9911, 9-11, etc
* `|` = or, used to combine subexpressions called alternatives (metacharacter)
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