Use split and some function or regex with word boundaries to find or Extract a specific word from a string in JavaScript.
Get word from string JavaScript Example
HTML example code: Match if word present in a given string.
Using split and some function
If a word is found then return true.
<!DOCTYPE HTML>
<html>
<body>
<script>
var str = "Remove the last word.";
function findWord(word, str) {
return str.split(' ').some(function(w){return w === word})
}
console.log(findWord("last",str));
</script>
</body>
</html> Using a regex with word boundaries:
<!DOCTYPE HTML>
<html>
<body>
<script>
var str = "Remove the last word.";
function findWord(word, str) {
return RegExp('\\b'+ word +'\\b').test(str)
}
console.log(findWord("last",str));
</script>
</body>
</html> Output:
Do comment if you have any doubts and suggestions on this JS strings topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version
‘use strict’
let str=’Remove the last word.’
const findWord = (word) =>{
return str.split(‘ ‘).some((w)=>w===word)===true?`The word ‘${word}’ is found`:`The word ‘${word}’ is not found`
}
console.log(findWord(‘last’))