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:

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 …

More broadly, this is true for all Python string methods that change a string's content, e.g. replace, strip, translate, lower / upper, join,... You must assign their output to something if you want to use it and …

Feb 26, 2012 · The string.replace() is deprecated on python 3.x. What is the new way of doing this?

158 Assuming you're using Python's logging module, you can pass the string formatting arguments as arguments to the .debug() method rather than doing the formatting yourself:

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...

lstrip, rstrip and strip remove characters from the left, right and both ends of a string respectively. By default they remove whitespace characters (space, tabs, linebreaks, etc)

If I have a Python class, and would like to call a function from it depending on a variable, how would I do so? I imagined following could do it: class CallMe: # Class def App(): # Method one ...

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.

For questions on simple string manipulation the dir built-in function comes in handy. It gives you, among others, a list of methods of the argument, e.g., dir(s) returns a list containing upper.