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Python Regex: The 5 Exclusive Examples

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 Regular expressions (regex) are powerful tools for pattern matching and text manipulation in Python. Here are five Python regex examples with explanations: 01 Matching a Simple Pattern import re text = "Hello, World!" pattern = r"Hello" result = re.search(pattern, text) if result:     print("Pattern found:", result.group()) Output: Output: Pattern found: Hello This example searches for the pattern "Hello" in the text and prints it when found. 02 Matching Multiple Patterns import re text = "The quick brown fox jumps over the lazy dog." patterns = [r"fox", r"dog"] for pattern in patterns:     if re.search(pattern, text):         print(f"Pattern '{pattern}' found.") Output: Pattern 'fox' found. Pattern 'dog' found. It searches for both "fox" and "dog" patterns in the text and prints when they are found. 03 Matching Any Digit   import re text = "The price of the
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Python: Here are 3 Brilliant Methods to Execute

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You can run python commands in three methods. Those are at CLI, Python interface, and as a Script.


3 Methods you need to run python commands

How to Run Script at CLI?


The script extension should be .py. Here is an example xyz.py. When the script is ready, the next step is to run it. How to run it from CLI? 


Here is a command to run at CLI. Suppose you have installed Python in Linux OS. Then you need to give:


$ python -m xyz.py


Here, m means module. That means you are running a script with Python code.



How to Run Commands at Script?


The Other way, you can execute Python statements directly at CLI. Here's a command for your quick reference.


$ python -c "print('Hello world')"


Here, the print statement displays "Hello World" on the screen.


How to Run commands at Python Interface?

You know that the Python interface needs an operating system - Windows or Linux. 


$ Python3

>>> 10 + 20

30


References

  1. Python Programming: Using Problem Solving Approach

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