Regex "[^a-zA-Z]" reads as "not a letter".
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Sent from my phone. Please excuse my brevity.
On April 23, 2015 1:10:41 PM PDT, Mike wrote:
>Hello,
>In the following code, any characters matching "/|@| \\|") will be
>changed to a space.
>> library(tm)
>> toSpace <- content_transformer(function(x, pattern) gsub(pattern, "
>", x))
>> docs <- tm_map(docs, toSpace, "/|@| \\|")
>
>What code would transform all non-letters to a space? (What goes where
>the x's are.)It is very difficult to put all non-letters in a
>string... So I'm doing the opposite of the above.
>> toSpace_2 <- content_transformer(function xxx))
>> docs <- tm_map(docs, toSpace_2, "abcdefghijklmnopqrstuvwxyz")
>
>This needs to be done by a content_transformer() function to maintain
>the integrity of docs.
>
>Thanks
>
> [[alternative HTML version deleted]]
>
>__
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