↓ Code Available Below! ↓

This video shows how to replace all substrings that match a given pattern with a different string using the regular expressions package in Python. Text data often contains errors or irregularities that need to be fixed prior to using it for other purposes. Finding and replacing substring within text is a common preprocessing task when working with text. The re.sub() function allows you to replace substrings based on a regex patterns, allowing for efficient replacement of multiple substrings at the same time.

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Code used in this Python Code Clip:

import re

lines = '''Nappa - What does the scouter say about his power level?
Vegeta - It's over 9000!
Nappa - What 9000? That can't be right. Can it?'''

# Use re.sub() to find and replace substrings
new_lines = re.sub(pattern = "[0-9]+",
repl = "8000",
string = lines)

print(new_lines)


* Note: YouTube does not allow greater than or less than symbols in the text description, so the code above will not be exactly the same as the code shown in the video! I will use Unicode large ＜ and ＞ symbols in place of the standard sized ones. .


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