Fix regex for function names w/metacharacters #33
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Rd2roxygen() throws an error if the function name contains a regex metacharacter (e.g. "[.data.frame") because the function name is inserted directly into the grep() regular expression. This commit escapes all regex metacharacters.
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Rd2roxygen() throws an error if the function name contains a regex metacharacter (e.g. "[.data.frame") because the function name is inserted directly into the grep() regular expression.
This commit escapes all regex metacharacters. Fixes #32.