Javascript check if string includes multiple words If you need to use Array. Iterate through the array of tags (all). An array is just a collection of items and these items can be of any data type. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. every() evaluates the array of booleans by calling the boolean function that evaluates the whole statement to a single boolean. function checkInput(input, words) { return words. 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. METHOD 1: One jack and One james. 2. Otherwise it returns false. search(), String. ready(function { var myTestValue = ['test1', 'test2', 'test3']; for (var i = 0; i < myTestValue. Jul 1, 2023 · The JavaScript includes() function helps you find out the value you are looking for from an array or string. For example: myString = "This has some words in it. 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. . Using includes() Method. Nov 8, 2018 · // check if the string has some of the terms const result1 = terms. Jan 13, 2017 · You don't need a regex to find whether a string contains at least one of a given list of substrings. 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 . Compare the returned value to -1 . Is this the correct way: var myVar = str. Instead of having an individual variable for each keyword, it is better to have a collection of keywords in the form of an array. match(re). indexOf. includes(word. The ! means that it will exclude all elements that doesn't meet the conditions. split(" "). includes('nonexistent')); // false May 8, 2015 · String. Because it will do case-sensitive searches. contains() method, but there doesn't seem to be one. Aug 16, 2014 · How to check if a string contains multiple words on different locations. , any of "apple" or "orange"). How can I display in the following format: If it's single word, I need to display the first character alone. indexOf // returns values from -1 to last postion of string. log(checkInput('"Definitely," he said in a matter-of-fact tone. If you care about matching only on word boundaries, use /\b(?:word1|word2)\b/g. 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. Instead of having an individual variable for each word, it is better to have a collection of words in the form of an array. includes(), regular expressions, or other string manipulation methods. ), it's the kind of ugly, jQuery-ish solution that most sane people wouldn't tolerate. join("|") creates a regular expression pattern that matches any of the words. Example 1: Using Regular Expressions. I want to use two method to check this : Regex Or Match activity. You need to apply the global flag to the regex so that match() will find all results. length; i++) { if(window. length; i++) { const pattern = patterns[i]; value = value + this. In Python: Check a string for multiple regex pattern. 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. includes 'String'. 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. map(string => str. I'm interested in finding if a string contains a word. 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. function countOccurences(string, word){ string. defineProperty(String. g, words) in it. contains) { Object. The includes() method returns true if a string contains a specified string. I'd like to check if a string variable might include one or multiple of the words below. includes(string)). ES6 contains inbuilt method (includes) in String's prototype, which can be used to check if string contains another string or not. " I need to find if a comma exists in a javascript string so I know whether to do str. includes() in JavaScript: Call the String. location. 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. 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. Mar 14, 2017 · Today I came across that case. A substring is a string inside another string. includes() function in Javascript allows you to check if a string includes a specified substring. Fruit variable gets sent from a client side. execute is called on the first match, like a logical OR. toLowerCase(). In this case we use alternation to allow the regex to match either word1 or word2. 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. inArray(. 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. includes() method returns true if the substring is contained in the string. Apr 24, 2019 · There are multiple ways to check if a string contains a substring in JavaScript. indexOf: Dec 17, 2012 · Check that the length of matches equals the number of keywords (in this case, three): string. For example, if I apply a search for "on" for the string, "phones are good", it should return false. But in this case theString3 would still return true because some is in something. prototype. This is a useful function to know when you need to check if a string contains a certain word or phrase. 1. If you really want to work with pattern, then you should use RegExp. 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"]. It returns true if the substring is found within the string, and false otherwise. includes(term)) // check if the string has all the terms const result2 = terms. Currently I'm using an array with a for loop to check each string. How to check if a string contains multiple substrings. some(term => str. 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 . 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. every(term => str. W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Here, we'd explore other scenarios. The result of the includes() function is true since the string does contain the value 'JavaScript'. 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. Dec 3, 2019 · 1. 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. How to do it ? Thanks you! Dec 2, 2024 · Here are the different methods to check whether a string contains a substring in JavaScript. 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. However my code only currently checks for the first word, apple and not the other 2. includes at CanIUse. length - 1; } Feb 23, 2023 · I'd like to know if a string has multiple substrings (e. flatMap() because we are dealing with multiple tags that may or may not have multiple matches. Specifically, you might need to check whether a word contains a specific character or a speci Feb 5, 2020 · You could use the string. The includes() method is the most simple and modern way to check if a string contains a specific substring. "; I would want to know if that string has "This" AND "some". includes(substr). An example is "two apples. includes() Method. So, let's pretend that the following are your delimiters: & or =. Can I simplify the below code because my list of target words is more than ten (apple, orange, blueberry, etc. include? myString Jun 14, 2022 · The classList property is a DOMTokenList which is a string but has methods and properties simular to Array methods. match(), regular expressions, or 3rd-party library like Lodash. We'll use . The String. include() but your variable or constant is:. 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. 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. 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. indexOf() method on the given string, passing it to the substring as a parameter. includes() method on the string. includes('To be')); // true console. log(str. The expression in this answer does that for one jack and one james in any order. This method returns the index of the first occurrence of the substring, or -1 if the substring is not found. Feb 4, 2023 · In this example, we’re checking if the string 'message' contains the string 'JavaScript'. I kno May 9, 2013 · I have three strings which contain comma separated numbers. prototype, 'contains', { value(patterns) { if (!Array. '; console. 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. If it's two words, I need to display the first two characters of the word. length === numberOfKeywords where re is the regex with a g flag, string is the data and numberOfKeywords is the number of keywords. g. 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. The includes() method is case sensitive. 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']; _. includes(), String. exec instead to get the indices of all the matches. This statement sub1. 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. Jun 26, 2013 · I am getting the names as String. You can use either String. split(word). 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. Explanation: wordsToSearch. JavaScript check if string contains any of the words from regex. 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. String. 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. includes('To be')); Sep 28, 2022 · The String. Jun 18, 2016 · if (!String. split(',') on it or not. Try it Mar 23, 2014 · <script> $(document). 6. 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. 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. search(','); ? If the value of myVar is greater I don't like $. some(word => input. contains(text, May 9, 2019 · What you're looking for, is a recursive function. Oct 7, 2022 · When you're working with a JavaScript program, you might need to check whether a string contains a substring. includes('question')); // true console. Within the example you have provided, I'm assuming your parsing URL Query variables. This assumes that there are no repeated keywords. Editors note: Despite being heavily upvoted and accepted, this does not function the same as the code in the question. 0. Pass the substring as a parameter, e. The some() method tests whether some element in the array passes the test implemented by the provided function. toLowerCase())); } console. includes(pattern); } return (value === 1); } }); } Nov 14, 2024 · To check if a string contains multiple words, you can use String. indexOf(), String. contains() method, we can check May 23, 2017 · I need to check if any of a set of strings exists in one main string. Nov 24, 2009 · Usually I would expect a String. includes() method. Sep 8, 2019 · To check if a string contains a substring using String. Otherwise, false is returned. And, it should return true for "keep it on the table". But don't worry! With a few clever tricks, you can easily extend its functionality to handle multiple conditions. What happens if the substring is not found with indexOf()? If the substring is not found, indexOf() returns -1. The includes() function returns false for the lowercase search string "javascript". Apr 19, 2022 · In this tutorial, you will learn how to check if a string contains specific words in javascript. isArray(patterns)) { return false; } let value = 0; for (let i = 0; i < patterns. ', ["matter Aug 17, 2015 · I want to create a function that returns true if the string has these two words: "team" and "picture". href. 3. )? The variable, NAME, can include some strings including "orange". 2) Jan 23, 2020 · The two functions from the solution you found use Array#some() and Array#every(). var str = 'To be, or not to be, that is the question. Here’s the situation: 1) You have a string in JavaScript, like var fruit = ''. 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. match will run a regex against the string and find all matching hits. includes(searchString); // returns true/false String. Here's a snippet which adds a simple contains(str) method to your arsenal: Oct 15, 2020 · Hi everyone. If you are searching for a fixed string, then you can supply the position to resume searching to String. 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. Need to check does query have more than one word : You can check the space like this: let string = "Test test"; let count = string. njvazcd wegg vlwe paw njybzft qvbsyi tuqh qdutrh ysgtlh lhql ugzg ojdsbkw pfv akjcs aqt