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question about Regular Expressions - how to find punctuation #534

Open ziqiangt opened 5 years ago

ziqiangt commented 5 years ago

Hi,

Does anyone know how to find punctuation instead of using [^a-zA-Z]?

Thanks in advance.

yihaoz commented 5 years ago

You can remove all the punctuations using "gsub('[[:punct:] ]+',' ',data)". https://stackoverflow.com/questions/29098801/removing-punctuations-from-text-using-r

ziqiangt commented 5 years ago

You can remove all the punctuations using "gsub('[[:punct:] ]+',' ',data)". https://stackoverflow.com/questions/29098801/removing-punctuations-from-text-using-r

Thanks yihao. This link is very useful!