Javascript check if string includes multiple words Jun 18, 2016 · if (!String. An array is just a collection of items and these items can be of any data type. "; I would want to know if that string has "This" AND "some". Jun 23, 2024 · Ever found yourself needing to check multiple items in a JavaScript array at once? While the includes() function is powerful, it doesn't natively support multiple values. Iterate through the array of tags (all). However my code only currently checks for the first word, apple and not the other 2. includes() method. How can I display in the following format: If it's single word, I need to display the first character alone. includes 'String'. I kno May 9, 2013 · I have three strings which contain comma separated numbers. map(string => str. The Javascript array includes() function will return true if a value … Continue reading "Javascript includes // count will return 2 //I am passing the whole line and also the word for which i want to find the number of occurences // The code splits the string and find the length of the word. This method returns the index of the first occurrence of the substring, or -1 if the substring is not found. every(term => str. indexOf. Sep 28, 2022 · I'm trying to check if there is one or more words in a url, how could I proceed? I'm trying to check if a url has in it the category that a product has I tried like this const url = &quot;http:/loc Jan 29, 2020 · I would like to make a code to check if a string variable includes any of multiple words (e. May 4, 2016 · Is there a way in lodash to check if a strings contains one of the values from an array? For example: var text = 'this is some sample text'; var values = ['sample', 'anything']; _. )? The variable, NAME, can include some strings including "orange". indexOf: Dec 17, 2012 · Check that the length of matches equals the number of keywords (in this case, three): string. The includes() method is the most simple and modern way to check if a string contains a specific substring. includes(term)) // check if the string has all the terms const result2 = terms. includes(searchString); // returns true/false String. I have a string "I have an apple and I like play football " I want to check if string contain both of words “apple” and “football” then it will return true. isArray(patterns)) { return false; } let value = 0; for (let i = 0; i < patterns. I am kind of stuck on how to set it so that if I get three " I'm having trouble trying to check a string for words from an array and if it includes the word replace them. Oct 25, 2017 · You can use array#includes to check if a word exist in your input and convert both your input and words in lower case and then use array#includes. String. Here’s the situation: 1) You have a string in JavaScript, like var fruit = ''. If you are searching for a fixed string, then you can supply the position to resume searching to String. includes() in JavaScript: Call the String. John : J Peter: P Mathew Rails : MR Sergy Bein : SB Jan 8, 2024 · Learn about various methods to determine if a Java String contains multiple keywords Similar to the solution that uses the String. The includes() method returns true if a string contains a specified string. split(word). Example 1: Using Regular Expressions. var str = 'To be, or not to be, that is the question. , any of "apple" or "orange"). METHOD 1: One jack and One james. every(Boolean) is basically taking every string from the sub1 array and checking if it is included in the original string str creating an array of booleans, the . join("|") creates a regular expression pattern that matches any of the words. The includes() function returns false for the lowercase search string "javascript". Can I simplify the below code because my list of target words is more than ten (apple, orange, blueberry, etc. Nov 8, 2018 · // check if the string has some of the terms const result1 = terms. toLowerCase(). But in this case theString3 would still return true because some is in something. What happens if the substring is not found with indexOf()? If the substring is not found, indexOf() returns -1. Apr 24, 2019 · There are multiple ways to check if a string contains a substring in JavaScript. contains) { Object. contains(text, May 9, 2019 · What you're looking for, is a recursive function. location. contains() method, we can check May 23, 2017 · I need to check if any of a set of strings exists in one main string. I want to use two method to check this : Regex Or Match activity. length - 1; } Feb 23, 2023 · I'd like to know if a string has multiple substrings (e. And, it should return true for "keep it on the table". includes at CanIUse. We'll use . split(',') on it or not. 0. This is a useful function to know when you need to check if a string contains a certain word or phrase. . Mar 14, 2017 · Today I came across that case. I'm interested in finding if a string contains a word. For example, if I apply a search for "on" for the string, "phones are good", it should return false. Com, and if you want to target a browser or browser version that's missing includes, you'll need to transpile to a lower ECMAScript version using a tool such as Babel, or include a polyfill script in the browser, such as those available Nov 16, 2024 · Check Whether a String Contains a Substring in JavaScript – FAQs Is the includes() method case-sensitive? Yes, includes() is case-sensitive, so “Hello” and “hello” would be considered different. match will run a regex against the string and find all matching hits. If you need to use Array. includes('To be')); Sep 28, 2022 · The String. The format of the string will be: "team_user_picture" (example) where "user" can be a different W3Schools offers free online tutorials, references and exercises in all the major languages of the web. In Python: Check a string for multiple regex pattern. var blocked = [ "inappropriate word one", "inappropriate word two", ]; var mes Oct 25, 2015 · What you have will find a space anywhere in the string, not just between words. include() but your variable or constant is:. includes()provides the most simple and popular way to check if a string contains a If you want to search for fixed string, then I recommend that you stick with String. length; i++) { const pattern = patterns[i]; value = value + this. match(), regular expressions, or 3rd-party library like Lodash. length; i++) { if(window. The example below doesn't Apr 19, 2022 · In this tutorial, you will learn how to check if a string contains multiple keywords in javascript. Aug 16, 2014 · How to check if a string contains multiple words on different locations. ), it's the kind of ugly, jQuery-ish solution that most sane people wouldn't tolerate. Pass the substring as a parameter, e. indexOf(), String. search(), String. includes(), String. Nov 24, 2009 · Usually I would expect a String. includes('question')); // true console. Otherwise, false is returned. 1. You need to apply the global flag to the regex so that match() will find all results. indexOf() method on the given string, passing it to the substring as a parameter. What exactly would I check for in an if statement, if I wanted to check to see if the Sep 10, 2021 · There are several ways to check, if a string contains/does not contain a substring. Editors note: Despite being heavily upvoted and accepted, this does not function the same as the code in the question. indexOf // returns values from -1 to last postion of string. How to check if a string contains multiple substrings. Mar 22, 2023 · This array contains multiple things: The matched string; The index value from which the matched strings starts; The input string; The groups property which holds an object of all named capturing groups - in most cases, this will be undefined; If you wish to isolate only the matched string without the extra information, you can print out Nov 9, 2012 · Given these two strings: var first = 'dog,cat,lion'; var second = 'cat'; How would I do it to know if the second var is any of the words (the ones that are separated by commas) in the first vars? May 25, 2016 · ECMAScript 6 FTW! The checker uses an arrow function. g. Just in case, two jack or two james would not be allowed, only one jack and one james would be valid, we can likely design an expression similar to: Jul 23, 2017 · In ES6, the includes() method is used to determine whether one string may be found within another string, returning true or false as appropriate. some(term => str. For example: myString = "This has some words in it. Search if a Jun 9, 2016 · I have multiple sub-strings that I want to find in a single string and if all three are found then do this, if not, do something else. var str1 = "1,5,3"; var str2 = "2,5,1"; var str3 = "3,2,1,5"; I want to check these three strings with each other (To get the common Sep 9, 2019 · To check if a string contains a substring in JavaScript: Call the String. defineProperty(String. search(','); ? If the value of myVar is greater I don't like $. contains() method, but there doesn't seem to be one. includes(word. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. ', ["matter Aug 17, 2015 · I want to create a function that returns true if the string has these two words: "team" and "picture". const validNumbers: TValidNumber[] = ['one', 'two', 'three']; You will likely face the problem that the "includes" method only accepts the "TValidNumber" type as a parameter, and you are likely passing a "string" to it. The ! means that it will exclude all elements that doesn't meet the conditions. length-1 // if count > 1 means more then one word Jul 13, 2019 · I want to check if a string has any of the following words, apple, pear, orange and if it does, do some code. includes() method on the string. The String. 3. The some() method tests whether some element in the array passes the test implemented by the provided function. The expression in this answer does that for one jack and one james in any order. Specifically, you might need to check whether a word contains a specific character or a speci Feb 5, 2020 · You could use the string. Mar 13, 2025 · The includes() method of String values performs a case-sensitive search to determine whether a given string may be found within this string, returning true or false as appropriate. length === numberOfKeywords where re is the regex with a g flag, string is the data and numberOfKeywords is the number of keywords. split(" "). indexOf(myTestValue[i]) > -1) { alert("your contains the string "+myTestValue[i]); } } }); </script> Jan 12, 2022 · To match a variable in JavaScript against multiple possible values, we can either use some in combination with includes in the following way: Sep 28, 2022 · If you need to check if a string includes a certain substring in JavaScript, you can use the indexOf() method. You can use either String. Dec 3, 2019 · 1. The result of the includes() function is true since the string does contain the value 'JavaScript'. includes(substr). Try it Mar 23, 2014 · <script> $(document). Is this the correct way: var myVar = str. exec instead to get the indices of all the matches. 2. Jan 13, 2017 · You don't need a regex to find whether a string contains at least one of a given list of substrings. Fruit variable gets sent from a client side. If you care about matching only on word boundaries, use /\b(?:word1|word2)\b/g. includes(), regular expressions, or other string manipulation methods. includes('nonexistent')); // false May 8, 2015 · String. includes(pattern); } return (value === 1); } }); } Nov 14, 2024 · To check if a string contains multiple words, you can use String. Feb 4, 2023 · In this example, we’re checking if the string 'message' contains the string 'JavaScript'. Jun 26, 2013 · I am getting the names as String. function checkInput(input, words) { return words. Explanation: wordsToSearch. Is there a simpler way, like this solution for ruby which I've come across on - How to compare a string against multiple other strings ["string1","string2","string3"]. prototype. Apr 19, 2022 · In this tutorial, you will learn how to check if a string contains specific words in javascript. flatMap() because we are dealing with multiple tags that may or may not have multiple matches. ready(function { var myTestValue = ['test1', 'test2', 'test3']; for (var i = 0; i < myTestValue. I'd like to check if a string variable might include one or multiple of the words below. This statement sub1. Because it will do case-sensitive searches. Jul 1, 2023 · The JavaScript includes() function helps you find out the value you are looking for from an array or string. g, words) in it. If you really want to work with pattern, then you should use RegExp. log(checkInput('"Definitely," he said in a matter-of-fact tone. This assumes that there are no repeated keywords. An example is "two apples. Within the example you have provided, I'm assuming your parsing URL Query variables. toLowerCase())); } console. The includes() method is case sensitive. include? myString Jun 14, 2022 · The classList property is a DOMTokenList which is a string but has methods and properties simular to Array methods. ES6 contains inbuilt method (includes) in String's prototype, which can be used to check if string contains another string or not. Using includes() Method. Instead of having an individual variable for each word, it is better to have a collection of words in the form of an array. A substring is a string inside another string. some(word => input. In this case we use alternation to allow the regex to match either word1 or word2. inArray(. Compare the returned value to -1 . Need to check does query have more than one word : You can check the space like this: let string = "Test test"; let count = string. Oct 7, 2022 · When you're working with a JavaScript program, you might need to check whether a string contains a substring. execute is called on the first match, like a logical OR. Sep 8, 2019 · To check if a string contains a substring using String. 6. href. function countOccurences(string, word){ string. Otherwise it returns false. It returns true if the substring is found within the string, and false otherwise. Jan 12, 2022 · How to Check if a String Contains One of Multiple Values in JavaScript Ferenc Almasi • 2022 January 12 • 1 min read To match a variable in JavaScript against multiple possible values, we can either use some in combination with includes in the following way: W3Schools offers free online tutorials, references and exercises in all the major languages of the web. includes() Method. JavaScript check if string contains any of the words from regex. How to do it ? Thanks you! Dec 2, 2024 · Here are the different methods to check whether a string contains a substring in JavaScript. every() evaluates the array of booleans by calling the boolean function that evaluates the whole statement to a single boolean. prototype, 'contains', { value(patterns) { if (!Array. But don't worry! With a few clever tricks, you can easily extend its functionality to handle multiple conditions. If it's two words, I need to display the first two characters of the word. So, let's pretend that the following are your delimiters: & or =. You could create a helper function to see if a string is within an array instead: Sep 25, 2019 · I'm using google scripts and as a result, I can't use ES6 or ES5 in my HTML code. includes(string)). Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. Jul 10, 2022 · I need to check whether a string contains other than the specified words/sentence (javascript), it will return true if: it contains an alphabets, except this phrase: ANOTHER CMD it contains other Mar 25, 2016 · I want to check to see if an item in an array/list of strings has 1 or more spaces and/or 1 or more line breaks. log(str. includes('To be')); // true console. These array helpers can only do two things: either any element in the array satisfies the condition (so, matching at least 1) or every element satisfies the condition. includes() method returns true if the substring is contained in the string. includes(term)) This also makes it easy to filter an array of strings for an array of substrings Mar 14, 2019 · So, you can easily check if a string contains a particular substring using the . If you want to find any kind of whitespace, you can use this, which uses a regular expression: Mar 12, 2010 · If you're concerned about browser support (such as for IE or Edge), you can check Array. Instead of having an individual variable for each keyword, it is better to have a collection of keywords in the form of an array. Currently I'm using an array with a for loop to check each string. '; console. Here, we'd explore other scenarios. Here's a snippet which adds a simple contains(str) method to your arsenal: Oct 15, 2020 · Hi everyone. " I need to find if a comma exists in a javascript string so I know whether to do str. includes() function in Javascript allows you to check if a string includes a specified substring. 2) Jan 23, 2020 · The two functions from the solution you found use Array#some() and Array#every(). match(re). The includes() function in JavaScript is used to check whether a given value or element Mar 14, 2013 · This is a seemingly simple programming task that we deal with everyday. tejmy rav zqivlj vkrz lcipv mqm vnf dtkgug ewyq znnater fmhkpybb ddmf hdzlxffz amb ckmlkzjy