python regex cheat sheet with examples

Code and details:

Python regex cheat sheet with examples

In this video: Python regex examples

Regular Expression Basic examples
- Example find any character
- Python match vs search vs findall methods
- Regex find one or another word
Regular Expression Quantifiers Examples
- Python regex find 1 or more digits
- Python regex search one digit
- pattern = r"\w{3} - find strings of 3 letters
- pattern = r"\w{2,4}" - find strings between 2 and 4
Regular Expression Character Classes
- Search for list of characters
- Search except some characters
Regular Expression Groups
- Python regex use groups
- Non-capturing group
Regular Expression Assertions
- Positive lookbehind
- Negative lookahead
Regex other
Python Regex Flags

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[janakiyeluripati]

Hi,
I have some text in a column in a pandas dataframe. it goes like this df['Column'] = some rows of information about addresses out of which I need to extract the state info which is in caps into a spearate column. Can you please help me with the code. How to do it. I'm stuck there. Please help. I want it this way address = 2 meadow crt, cleaveland, OH. I wanted to extract (OH) into a spearate column from the address column. Can you please help?