How to extract first two characters from string using regex
new answers
per comment from @Addison
# '12(?=.{4}$)' makes sure we have a 12 followed by exactly 4 something elsesdf.c_contofficeID.str.replace('^12(?=.{4}$)', '')If ID's must have four characters, it's simpler to
df.c_contofficeID.str[-4:]old answer
use str.replace
df.c_contofficeID.str.replace('^12', '').to_frame()