I have a data frame with column names start with number and followed by a "."
c("ID", "City", "country", "1. city2", "2. owned prop","3. profession")
so I want to select columns "1. city2", "2. owned prop","3. profession" ...... from data frame
df_summary <- select(df,!matches("^[A-Z]"))
what should i modify in my code...???