/Python/Pandas show column with regular expression

Pandas show column with regular expression

S=pd.Series(['Finland','Colombia','Florida','Japan','Puerto Rico','Russia','france'])
S.str.contains('^F.*')

Source: kanoki.org

Pandas show column with regular expression

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

Source: kanoki.org

Pandas show column with regular expression

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

Source: kanoki.org

Pandas show column with regular expression

S=pd.Series(['Finland','Colombia','Florida','Japan','Puerto Rico','Russia','france'])
[itm[0] for itm in S.str.findall('^[Ff].*') if len(itm)>0]

Source: kanoki.org

Pandas show column with regular expression

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

Source: kanoki.org

Pandas show column with regular expression

# Get countries starting with letter P
S=pd.Series(['Finland','Colombia','Florida','Japan','Puerto Rico','Russia','france'])
S[S.str.match(r'(^P.*)')==True]

-1

Source: kanoki.org

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