piper.verbs.non_alpha

piper.verbs.non_alpha(df: pandas.core.frame.DataFrame, col_name: str)pandas.core.frame.DataFrame[source]

check for non-alphanumeric characters

Parameters
  • df – pandas dataframe

  • col_name – name of column to be checked

Returns

  • pandas dataframe with additional column containing True/False

  • tests of the selected column having special characters