Python question mark in string. Ex: 'Did you go to the store?' .

Python question mark in string These ternary operations were not implemented in Python when it was created. This article will explore ways to split and join a string. Q2. To remove (some?) punctuation then, use: import string remove_punct_map = dict. Q1. { n } For example, the following program uses the * quantifier to match any string that ends with Python: Feb 6, 2024 · They allow you to dynamically insert values into SQL statements at runtime without having to concatenate SQL strings. Apart from what's explained in other answers, there are still 3 more uses of Question Marks in regular expressions. It slices the string up to and including the interrogation point to extract the question. So in that sense you can say there is not one single "ternary operator". This operator returns True if the specified character Mar 10, 2024 · Simple Python string methods can be effective for extracting questions from a text block. Method 2: Regular Expressions Dec 18, 2024 · The ternary operator in Python allows us to perform conditional checks and assign values or perform operations on a single line. Here is my list. Jan 31, 2013 · Possible Duplicate: Python split() without removing the delimiter I wish to split a string as follows: text = " T?e qu!ck ' brown 1 fox! jumps-. They were added later on in Python version Apr 7, 2023 · In Python, we can use the function split() to split a string and join() to join a string. do you know if Python supports some keyword or expression like in C++ to return values based on if condition, all in the same line (The C++ if expressed with the question mark ?) // C++ value = ( a > 10 ? b : c ) Jan 20, 2015 · The reason you get question marks is that you've broken up the UTF-8 sequences, and each byte of the sequence isn't a valid character by itself. ver. Dec 8, 2024 · The question mark (?) is a quantifier in regular expressions that indicates that the preceding element should be matched zero or one time. translate() only takes a dictionary; codepoints (integers) are looked up in that mapping and anything mapped to None is removed. for i in range(2,7,2): print(i * '2') Oct 24, 2011 · Some Other Uses of Question marks in regular expressions. Oct 9, 2020 · The re. For instance, given an input string like “a?b?c?”, a desired output would be “abc” – with each question mark Nov 9, 2013 · The following code gives me a question mark (?) as output, not an å: #coding: iso-8859-1 input = "å" print input The following code lets you input random text. I assume searching each word for a ? is not the best way. punctuation)) s. If yes, then it matches the characters mentioned above. In this list have various type of sentences suppose question type and general sentences. In Python’s sqlite3 module, placeholders are represented using question marks (?) or named placeholders like :name. However, it can only extract the first question and may be simplistic for complex texts. Read more in our blog tutorial . This practice is not only cleaner but also prevents SQL injection attacks which can compromise your database. 1. It is also known as a conditional expression because it evaluates a condition and returns one value if the condition is True and another if it is False. Ex: 'Did you go to the store?'. Those invalid characters are displayed as question marks. dot metacharacter. The solution should remove all English punctuations from the string like a full stop, comma, double-quotes, apostrophe, a hyphen, question mark, colon, exclamation mark, and semicolon. Question Mark: Match its preceding element zero or one time. translate(remove_punct_map) When I want to do a print command in Python and I need to use quotation marks, I don't know how to do it without closing the string. Any character means letters uppercase or lowercase, digits 0 through 9, and symbols such as the dollar ($) sign or the pound (#) symbol, punctuation mark (!) such as the question mark (?) commas (,) or colons (:) as well as Mar 10, 2024 · This code searches for the ‘?’ character in the text to mark the end of a question. This article will explore how to effectively use question marks in regular expressions, providing examples and code snippets to illustrate their functionality. Mar 1, 2024 · Method 1: Using the in Operator The simplest way to check for the existence of a question mark in a string is by using the in operator. The for-loop goes through each character of the input, adds them to the string variable a and then outputs the resulting string. Most everything else is considered true. lst = ['what is Fame', 'how can you start work', 'can you learn design', 'this is text'] I tried this code Oct 22, 2021 · Solved 100 Practice Questions of String in Python for classes XI and XII are important for exams. A quantifier is what the question mark is known as. ) Jun 6, 2022 · The [a-zA-Z0-9\?]+ matches one-or-more occurrences of the characters given in the character class i. e. Jun 15, 2021 · Python regex metacharacters Regex . split(pattern, string) method returns a list of strings by matching all occurrences of the pattern in the string and dividing the string along those. 7. How can I do that? Ex: 'five' or "the romans" are both strings in Python. Negative lookaheads are used if you want to match something not followed by something else. It is straightforward and requires no external libraries. the 'lazy' doG? Dec 9, 2020 · Convert a list of Characters into String; Convert Object to String in Python; How to sort a list of strings; To convert tuple to string; To check if String is Empty or not; Convert String to Set; Convert Set to String; To generate all possible valid IP addresses from given string; Check and display vowels in a string; Advance String Programs Apr 26, 2012 · Two questions about using a question mark "?" and colon ":" operator within the parentheses of a print function: What do they do? Also, does anyone know the standard term for them or where I can find more information on their use? I've read that they are similar to an 'if' 'else' statement. The question mark makes the previous token in the regular expression optional. Inside the regular expression, a dot operators represents any character except the newline character, which is \n. It allows you to specify that the element is optional, meaning it may occur once or not at all. All string programs are tested on Python 3; Use Online Code Editor to solve exercise questions. followed by an actual question mark(escaped): '\?' followed again by one or more word characters: '\w+?' this ensures the question mark is in fact in the middle of a word. These functions allow us to easily break a string into smaller parts and then reassemble those parts into a new string. fromkeys(map(ord, string. To remove URLs from a string in Python, you can either use regular expressions (regex) or some external libraries like urllib. The re. – Mar 22, 2022 · I have a list. You may make multiple tokens optional by combining numerous tokens in parentheses and adding the question mark after the final set of parentheses. Any combination of letters, numbers, spaces, and/or special characters can be designated as a string, so a full sentence with spaces between words that ends in a question mark is a valid string in Python if surrounded in single or double quotes. sub(pattern, repl, string, count=0, flags=0) method returns a new string where all occurrences of the pattern in the old string are replaced by repl . Feb 12, 2011 · The number 0, None, and empty containers (including strings) are considered false, in addition to the constant False. For instance: print " "a word that needs quotation marks" " But when I try to do what I did above, I end up closing the string and I can't put the word I need between quotation marks. Oct 23, 2021 · Ternary in Python. Mar 6, 2024 · 💡 Problem Formulation: When working with strings in Python, a common challenge is to replace placeholders, often represented by question marks ?, with characters in such a way that no two adjacent characters are the same. As you can see, my console (Python 2. Negative Lookahead. I Mar 13, 2025 · This String Exercise includes the following: – It contains 18 Python string programs, questions, problems, and challenges to practice. 5's IDLE) doesn't print question marks but substitutes incorrect characters instead. I would say that the main danger here would be that you would get a true but non-string value, but that won't be an issue in some programs. The re-module in Python is used for working with regular expressions. Altogether, the regex first checks if there is a question mark somewhere in the string to be matched. However, the functionality can be achieved in a few ways. I want to add question mark "?" sign after end of the sentence if it it is question. For example: colou?r is complementary to both colour and colour. This method involves searching for interrogation marks and substrings denoting a question. Just to clarify, I May 1, 2021 · This post will discuss how to remove punctuations from a string in Python. parse. Sep 21, 2013 · i'm trying to remove question marks from a string in python and I'm wondering what the most efficient way to do it is. Write the output of the following. For example, ab?c will be matched for the string ac, acb, dabc but will not be matched for abbc because there Oct 22, 2024 · Regular expressions (regex) are a powerful tool in Python for searching and manipulating strings. In Python, there is no question mark and colon syntax for ternary operation. Let us know if you have any alternative solutions in the comment Dec 1, 2016 · For Python 3 str or Python 2 unicode values, str. translate() function Dec 9, 2013 · This syntax is from non-Python languages; in Python, the equivalent syntax for conditional expressions uses English keywords: print (c if a > b else d), (The parentheses aren't strictly necessary here, and you'll need to be careful if you try to run this in Python 3, but it makes the code easier to read. [GFGTABS] Python a = "Hell Jan 7, 2025 · A regular expression (regex) is a sequence of characters that defines a search pattern in text. The solution is provided for all questions. Using str. a-z, A-Z and digits from 0-9, and the question mark ?. One of the most versatile characters in regex is the question mark (?). oon ummbzasr eewoip wygv igrs zcwhe wvk egtas mtowf tldny jccmy nllgtt wvek gjxfri idpou