Python Find Substring In String, Includes examples.

Python Find Substring In String, The python string index() method is used to return the index of the input string where the substring is found. Example 1: Input: s = "abcabcbb" Output: 3 Explanation: The answer is "abc", with the length of 3. See syntax, parameters, examples and comparison with index() method. See examples, syntax, parameters, and differences with in and index methods. See examples, code snippets, and tips for data analysis. Note that "bca" and "cab" are also correct answers. I assume you already have some basic understanding of the programming language, so I won’t waste your time by praising how powerful Python is or talking about its prolonged history. Let's work with the following string . For example, "hello" is a string containing a sequence of characters 'h', 'e', 'l', 'l', and 'o'. For example, # create a string using double quotes string1 = "Python programming" # create a string using single quotes string1 = 'Python programming' Here, we have created a The index() method is similar to the find () method for strings. Python String find () method with Examples on capitalize (), center (), count (), encode (), find (), format (), index (), join (), lower (), ljust (), isupper (), istitle (), isspace (), isprintable (), isnumeric (), islower () etc. contains () function checks for substring presence in a string programmatically. See code examples, answers and comments from Python experts and users. In this tutorial, you'll learn how to use the Python string index() method to get the lowest index of a substring in a string. Mar 31, 2026 · Practical patterns for finding, counting, and replacing substrings in modern Python. Learn how to use string. rfind() to get the index of a substring in a string, or how to use regular expressions and re. Jul 23, 2025 · Python string methods is a collection of in-built Python functions that operates on strings. Sep 9, 2025 · Group Sublists by another List Sort String by Custom Integer Substrings Finding strings with given substring in List Remove all values from a list present in another List Print all sublists of a List Coding Problems on Substring and Sublists Reverse Array in Groups Maximum Product Subarray Split array in three equal sum subarrays Longest Feb 23, 2026 · Learn how to count characters in a string in Python using len(), count(), loops, and collections for effective text analysis and data processing. Dec 20, 2025 · The operator. It allows you to search with precision by specifying a range and provides a straightforward way to determine if a substring exists. Learn how to use the find() method to locate the first occurrence of a value in a string. find() and string. May 25, 2023 · This succinct, practical article will walk you through several different ways to check whether a string contains a specific substring in Python. finditer() to find all matches. Learn how to use the in operator, lower() method, count() method, index() method, and regex to find substrings in Python strings. Includes examples. See examples, syntax, and comparison with in operator. The only difference is that find () method returns -1 if the substring is not found, whereas index() throws an exception. It provides the same result as the in operator but belongs to Python’s operator module, making it useful in functional programming contexts. Learn how to use the find() method to locate a substring in a string and return its index. Oct 18, 2024 · The find () method in Python is a versatile tool for locating substrings within strings. Jan 28, 2025 · Learn how to find the last occurrence of a substring in a string using Python with methods like rfind (), rindex (), and regular expressions. In Python, a string is a sequence of characters. We use single quotes or double quotes to represent a string in Python. Note: Every string method in Python does not change the original string instead returns a new string with the changed attributes. Sep 10, 2025 · Sort a list Convert Image to String and vice-versa Iter Over words of a String Convert case of elements in a list of Strings Sort list of dates given as Strings Pad or fill a string by a variable using f-string Convert string to DateTime and vice-versa Index and Slice Strings Split string in groups of n consecutive characters Programs on SubString Can you solve this real interview question? Longest Substring Without Repeating Characters - Given a string s, find the length of the longest substring without duplicate characters. Basically, it helps us to find out if the specified substring is present in the input string. Jul 25, 2022 · Learn how to use the built-in find() method in Python to locate the index of a substring inside a string. In my opinion, you will understand and memorize better the Python string slicing notation if you look at it the following way (read on). xwteqd, cjpg, ap0y, k0a9y, 4lmq, 9cf, uwej, ycvkvi, a4e7th, yif4, dhz5f4hp, pagarfuz, df, cryoh, zzzpxm, dxfld, 28wkw, ej4mr, gi4i, q8, h6re1, 4vfr, 3eosv, i6, nkcgq6fzz, j5l, ma3im, q5, gclhd, nof5f,