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Programming-Idioms

History of Idiom 110 > diff from v104 to v105

Edit summary for version 105 by Luk-ESC:
[Python] Added Doc URL
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Version 104

2023-01-26, 02:36:59

Version 105

2023-01-28, 22:21:01

Idiom #110 Check if string is blank

Set the boolean blank to true if the string s is empty, or null, or contains only whitespace ; false otherwise.

Idiom #110 Check if string is blank

Set the boolean blank to true if the string s is empty, or null, or contains only whitespace ; false otherwise.

Code 
blank = s is None or s.strip() == ''
Code 
blank = not s or s.isspace()
Comments bubble
not s evaluates to True for None and empty strings.
Doc URL
https://docs.python.org/3/library/stdtypes.html#str.isspace
Demo URL
https://replit.com/@ProgIdioms/IrritatingSaddlebrownQuery#main.py