Aug 9, 2010 · 571 Does Python have a string contains substring method? 99% of use cases will be covered using the keyword, in, which returns True or False:

Why doesn't calling a string method (such as .replace or .strip) modify (mutate) the string? Asked 13 years, 9 months ago Modified 1 year, 1 month ago Viewed 108k times

52 The Python documentation notes the difference between the three methods. str.isdigit Return true if all characters in the string are digits and there is at least one character, false otherwise. Digits …

That is, the string provided as an argument is considered as a set of characters, not as a substring. lstrip and rstrip work the same way, except that lstrip only removes characters on the left (at the …

Oct 1, 2016 · All string characters are unicode literal in Python 3; as a consequence, since str.split() splits on all white space characters, that means it splits on unicode white space characters.

925 strip doesn't mean "remove this substring". x.strip(y) treats y as a set of characters and strips any characters in that set from both ends of x. On Python 3.9 and newer you can use the removeprefix …

Mar 2, 2015 · result = text.lower().replace(string.punctuation, ' ').split(' ') With great python comes great responsibility: don't abuse this feature! The canonical maximum line length codified in PEP 8 is 80 …

Is there an efficient mass string concatenation method in Python (like StringBuilder in C# or StringBuffer in Java)? I found following methods here: Simple concatenation using + Using a string lis...

To answer your second question, string formatting happens at the same time as any other operation - when the string formatting expression is evaluated. And Python, not being a lazy language, …

How can I convert a string into uppercase in Python? When I tried to research the problem, I found something about string.ascii_uppercase, but it couldn't solve the problem: