While writing the code, a developer may often need to compare two strings to ensure that specific tasks are completed. Comparing strings without paying attention to their cases such as capital and lowercase letters are known as a case-insensitive comparison. Many languages support string comparison ...
function caseInsensitiveCompare(str1, str2) { return str1.localeCompare(str2, undefined, { sensitivity: 'base' }) === 0; } let str1 = "Hello"; let str2 = "hello"; if (caseInsensitiveCompare(str1, str2)) { console.log("Strings are equal, ignoring case."); } else { console.lo...
var areEqual = string1.toUpperCase() === string2.toUpperCase();
We sort an array of integers and strings in descending order. $ node main.js 8 7 6 5 3 1 0 -1 -2 -3 sky nord new lemon cup blue JS array sort strings case insensitive To compare strings in a case insensitive manner, we call thetoLowerCasefunction on the compared elements. main.j...
JS String Compare "==" operator can be used to compare whether two strings are equal. 12 vars="endmemo";alert(s=="endmemo");//true "===" operator can be used to compare whether two strings are identical, including type and value. ...
}functioncompareByColumn(nCol, bDescending, sType) {varc = nCol;vard = bDescending;varfTypeCast =String;if(sType =="Number") fTypeCast =Number;elseif(sType =="Date") fTypeCast = parseDate;elseif(sType =="CaseInsensitiveString") ...
conststrings=['Alpha','Zeta','alpha','zeta'];strings.sort((str1,str2)=>str1.localeCompare(str2,undefined,{sensitivity:'accent'}));// Case insensitive sorting: ['Alpha', 'alpha', 'Zeta', 'zeta']strings; 不使用正则表达式 您可能很想使用正则表达式和 JavaScript 正则表达式来比较两个字符串...
or validating user input. In this tutorial, we will cover different methods to compare strings in JavaScript, including the comparison operators, the localeCompare() method, and case-insensitive comparisons. 1. Comparing Strings Using Comparison Operators In JavaScript, you can compare strings using th...
- Re. copying strings. I wanted to demonstrate a fast but simple case-insensitive example. (A proper script could avoid copying strings by comparing byte by byte. Do you have any other ideas?) (That 3-line code may be faster for some string sizes than using machine code.) ...
let exactMatch = /JavaScript/;let caseInsensitive = new RegExp(exactMatch, "i"); RegExp 属性 RegExp 对象具有以下属性: source 这是正则表达式的源文本的只读属性:在 RegExp 字面量中出现在斜杠之间的字符。 flags 这是一个只读属性,指定表示 RegExp 标志的字母集合的字符串。