2010年8月9日 · 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:

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 …

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. …

2012年2月26日 · 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:

2016年8月31日 · And just for completeness, Java is like Python in that the String.substring () method takes start and one-past-end. This one just bit me hard, I had assumed it was length …

2012年5月4日 · 5 Should be noted that strip() method would trim any leading and trailing whitespace characters from the string (if there is no passed-in argument). If you want to trim …

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 …

Does Python have something like an empty string variable where you can do: if myString == string.empty: Regardless, what's the most elegant way to check for empty string values? I find …

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 …