```r # 定义一个函数来转换首字母为大写 capitalize_first_letter <- function(string) { if (nchar(string) == 0) { return(string) # 如果字符串为空,则直接返回 } paste0(toupper(substr(string, 1, 1)), substr(string, 2, nchar(string))) } # 测试该函数 test_strings <- c("hello", "...
以下是具体的代码示例: ```r capitalize_first_letter <- function(str) { if (nchar(str) == 0) { return(str) # 如果字符串为空,直接返回空字符串 } paste0(toupper(substr(str, 1, 1)), tolower(substr(str, 2, nchar(str))) } # 测试 test_string <- "hello world" capitalized_string ...
AI检测代码解析 #' Remove NA values from a data frame#'#' @param data_frame A data frame from which NA values are to be removed#' @return A data frame without NA values#' @exportremove_na#' Capitalize first letter of each word in a text vector#'#' @param text_vector A character ...
Always capitalize when referring to the Safari feature. Don’t precede with the. You can use Reader to view articles without distracting ads. Reading List Always capitalize when referring to the Safari feature. Refer to the user’s Reading List as your Reading List. You can add webpages to ...
Capitalize the first letter of a string import { getStringWithCapitalizedFirstLetter } from "@web3r/flowerkit/str"; const str = "hello world"; const upperStr = getStringWithCapitalizedFirstLetter(str); console.log(upperStr); // => "Hello world" Curry a function import { getCurryFn } fr...
const capitalizeFirstLetter = s => s.split(' ').map(w => w.charAt(0).toUpperCase() + w.slice(1)).join(' ') Run Code Online (Sandbox Code Playgroud) 将字符串拆分成单词数组(通过空格分隔符) 将每个单词分解为单词中的第一个字符 + 其余字符 第一个字母转换为大写,其余保持原样 将Array...
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Capitalize First Letter of Each Word in Character String Convert All Character String Variables in Data Frame to Uppercase R Programming Tutorials Summary: This article has shown how tochange the letter case of characters in a listin the R programming language. In case you have additional comments...
The meaning of MONOPOLIZE is to get a monopoly of : assume complete possession or control of. How to use monopolize in a sentence.
functioncapitalizeFirstLetters(str){returnstr.toLowerCase().replace(/^\w|\s\w/g,function(letter){returnletter.toUpperCase(); }) } Run Code Online (Sandbox Code Playgroud) 说明: - 首先将整个字符串转换为小写 - 其次检查整个字符串的第一个字母并检查前面有空格字符的第一个字母并应用.toUpperCase(...