"How To Parse a String in Python: A Step-by-Step Guide"

Parsing Strings in Python

In Python, string parsing means extracting data or specific patterns from a string. Parsing is essential for processing text and cleaning data in coding.

Step 1: Splitting a String

The split() function breaks a string into a list. Example: text = "apple,banana,orange"fruits = text.split(",")

Step 2: Accessing Substrings

You can access individual parts of the string using string slicing. Example:text = "hello world" print(text[0:5])  # Output: hello

Step 3: Using Regular Expressions (Regex)

For complex parsing, use re module for patterns. Example:import re matches = re.findall(r'\d+', 'There are 3 apples and 4 bananas')

Step 4: Removing Unwanted Characters

Use strip() to remove unwanted characters. Example:text = "  hello  " print(text.strip())  # Output: hello

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