
python - Testing whether a string has repeated characters - Stack Overflow
You can use the function below to check a character repetition. It returns True if there is no repetition of character and returns False otherwise. Python Code
Python – Check if string repeats itself - GeeksforGeeks
Jan 15, 2025 · We can check if the string is a repetition of a substring by slicing and reconstructing the string using multiplication. We concatenate the string with itself to allow …
python - Check if item is in an array / list - Stack Overflow
If I've got an array of strings, can I check to see if a string is in the array without doing a for loop? Specifically, I'm looking for a way to do it within an if statement, so something like this: if …
How to find duplicate elements in array using for loop in Python?
Dec 17, 2009 · In Python 2.7, you can accomplish this with one line: tmp = list(set(list_a)) Comparing the lengths of tmp and list_a at this point should clarify if there were indeed …
Find duplicate elements in an array - GeeksforGeeks
Dec 19, 2024 · Given a sorted and rotated array arr[] and a key, the task is to find whether key exists in the rotated array (with duplicates). Examples: Input: arr[] = [3, 3, 3, 1, 2, 3], key = 3 …
Find all duplicate characters in string in Python | GeeksforGeeks
Nov 20, 2024 · In this article, we will explore various methods to find all duplicate characters in string. The simplest approach is by using a loop with dictionary. We can use a for loop to find …
5 Best Ways to Check if a String is a Repeated Pattern in Python
Mar 10, 2024 · Method 1: Naïve String Manipulation. Easily understandable and no libraries required. Might not be the most efficient for very large strings. Method 2: Regular Expressions. …
Find Repeated Strings in Python: Step by Step - Codingdeeply
Explore Python packages and tools that ease identifying repeated strings to expand your skills. Counter, pandas, and nltk are common choices. Programmers and data analysts need to find …
Check if a String Repeats Itself in Python - Online Tutorials Library
In this article, we are going to find out how can we tell if a string repeats itself in Python. The first approach is by using slicing and find() . We want to see if the string we have is made up …
python - Determining duplicate values in an array - Stack Overflow
Jul 18, 2012 · import numpy as np A = np.array([1,2,3,4,4,4,5,6,6,7,8]) # Record the indices where each unique element occurs. list_of_dup_inds = [np.where(a == A)[0] for a in np.unique(A)] # …