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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

The Perfect Way to Swap two Strings in Python

Here is the perfect way swap two strings in python. Without a third variable, you can swap strings in Python. With the swap function, you can achieve this. Here's the sample logic.


swap two strings in python

Swap two strings

Multiple arguments you can use in the same function. Here, a and b are arguments for the swap function. You'll get output as swapped when you use the swap function.


def swap(a, b): 
return b,a 


Logic to swap strings.

i = "Hello world"
j = "This is ApplyBigAnalytics" 

(i, j) = swap(i, j) 

print(i) 
print(j) 


Logic to Swap two numbers.

i = 1 
j = 2 

(i, j) = swap(i,j) 

print(i) 
print(j)


Here is output

This is ApplyBigAnalytics 
Hello world 

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