On Wed, 3 Apr 2019 15:01:37 +0100
Graham Leask via R-help wrote:
Suppose that `BHC$Date` contains a string "M_24".
You do:
> BHC <-BHC %>% mutate ( Date = stringr :: str_replace ( Date , "M_2" ,
> "01-04-2017"))
before you have a chance to do:
> BHC <-BHC %>% mutate ( Date = stringr :: str_re
Try reversing the order, or extending the to-replace bit.
"M_1" is finding and replacing "M_10", "M_11", etc.
"M_2" is finding and replacing "M_20", "M_21", etc.
So M_14 becomes "01-03-20174"
In the future, a toy dataset would help with the reproducible example
aspect, and make your question eas
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