uppercase

问题 This question already has answers here : How to change a string into uppercase (6 answers) Closed last year . How can I convert a string to all capitals in Python 3.4? for example, I want to convert: string to: STRING I have tried with the .upper method, but it returns: "string".upper <built-in method upper of str object at 0x0283E860> How can I fix this problem? 回答1: You can use string.upper() method in Python 3.4 For example >>> x = 'abcdef' >>> x.upper() >>> 'ABCDEF' Or if you only need

问题 This question already has answers here : How to change a string into uppercase (6 answers) Closed last year . How can I convert a string to all capitals in Python 3.4? for example, I want to convert: string to: STRING I have tried with the .upper method, but it returns: "string".upper <built-in method upper of str object at 0x0283E860> How can I fix this problem? 回答1: You can use string.upper() method in Python 3.4 For example >>> x = 'abcdef' >>> x.upper() >>> 'ABCDEF' Or if you only need

来源： https://stackoverflow.com/questions/62710946/make-first-letter-caps-in-php-but-ucfirststrtolowerstring-does-not-work

来源： https://stackoverflow.com/questions/62710946/make-first-letter-caps-in-php-but-ucfirststrtolowerstring-does-not-work

问题 I appreciate your help in getting me out of the mess i get into. I am very new to REACT and obviously tripping on some basic concepts.. Appreciate your kind help. This is my app.js: import React from "react"; import TodoItem from "./components/TodoItem"; import todosData from "./components/todosData" function App() { const todoComponents = todosData.map((todo) => ( <TodoItem key={todo.id} todo={todo.text} /> )); console.log(todoComponents); return( <div className="todo-list"> <todoComponents

问题 I want to know how to make whatever the user inputs to ignore case in my method: public static void findPatient() { if (myPatientList.getNumPatients() == 0) { System.out.println("No patient information is stored."); } else { System.out.print("Enter part of the patient name: "); String name = sc.next(); sc.nextLine(); System.out.print(myPatientList.showPatients(name)); } } 回答1: You have to use the String method .toLowerCase() or .toUpperCase() on both the input and the string you are trying to

问题 In Python v2.6 I can get hexadecimal for my integers in one of two ways: print(("0x%x")%value) print(hex(value)) However, in both cases, the hexadecimal digits are lower case. How can I get these in upper case? 回答1: Capital X (Python 2 and 3 using sprintf-style formatting): print("0x%X" % value) Or in python 3+ (using .format string syntax): print("0x{:X}".format(value)) Or in python 3.6+ (using formatted string literals): print(f"0x{value:X}") 回答2: Just use upper(). intNum = 1234 hexNum =

问题 Yeah I'm basically just trying to explode a phrase like Social Inc. or David Jason to SI and DJ . I've tried using explode but couldn't figure out how to explode everything BUT the capital letters, do I need to use preg_match() ? 回答1: You can use this regex (?![A-Z]). with preg_replace() to replace every char except the one in uppercase. preg_replace("/(?![A-Z])./", "", $yourvariable) The regex will look for anythings NOT an uppercase letter ( ?! negative lookahead ). I've created a regex101

问题 Say I have a string word. This string can change what characters it contains. e.g. word = "UPPER£CASe" How would I test the string to see if any character in the string is not uppercase. This string must only contain uppercase letters and no other punctuation, numbers, lowercase letters etc. 回答1: You should use str.isupper() and str.isalpha() function. Eg. is_all_uppercase = word.isupper() and word.isalpha() According to the docs: S.isupper() -> bool Return True if all cased characters in S

问题 Say I have a string word. This string can change what characters it contains. e.g. word = "UPPER£CASe" How would I test the string to see if any character in the string is not uppercase. This string must only contain uppercase letters and no other punctuation, numbers, lowercase letters etc. 回答1: You should use str.isupper() and str.isalpha() function. Eg. is_all_uppercase = word.isupper() and word.isalpha() According to the docs: S.isupper() -> bool Return True if all cased characters in S