Jan 26, 2010 · The best way to do a case insensitive comparison in JavaScript is to use RegExp match() method with the i flag. Case-insensitive search.

There are two ways for case insensitive comparison: Convert strings to upper case and then compare them using the strict operator (===). Pattern matching using string methods: Use the …

Nov 26, 2024 · Here are the different methods to compare the case-insensitive strings in JavaScript. 1. Using toLowerCase() or toUpperCase() Methods. This is the most simple and …

Feb 18, 2020 · I want to extract a query string from my URL using JavaScript, and I want to do a case insensitive comparison for the query string name. Here is what I am doing: var results = …

Feb 13, 2021 · JavaScript is a case-sensitive language, which means you can declare multiple variables using the same word with different cases. For example, the following declarations …

Sep 4, 2020 · The most basic way to do case insensitive string comparison in JavaScript is using either the toLowerCase() or toUpperCase() method to make sure both strings are either all …

Feb 8, 2024 · JavaScript is indeed case sensitive. This means that variables (like userName and username), function names, and other identifiers must be used consistently with the exact …

Mar 30, 2024 · Learn how to compare strings in a case-insensitive manner in JavaScript and TypeScript using built-in methods like toLowerCase(), toUpperCase(), localeCompare(), and …

Oct 2, 2012 · If you want to perform a case-insensitive check for just this instance, do something like the following. if (referrer.toLowerCase().indexOf("Ral".toLowerCase()) == -1) { ...

Feb 18, 2025 · In JavaScript, by default, string comparisons are case-sensitive. This means that "Hello" and "hello" are considered different strings. To perform a case-insensitive comparison, …