regex for pandas code example

Example 1: pandas show column with regular expression

import numpy as np
df['first_five_Letter']=df['Country (region)'].str.extract(r'(^\w{5})')
df.head()

Example 2: pandas show column with regular expression

# Total items starting with F
S.str.count(r'(^F.*)').sum()

Example 3: pandas show column with regular expression

df[df['Country (region)'].str.count('^[pP].*')>0]