Answers for "how to check if string contains letters javascript"

8

javascript string contains function

s = "Hello world";
console.log(s.includes("world"));
Posted by: Guest on October-06-2020
29

javascript check if string contains character

var str = "We got a poop cleanup on isle 4.";
if(str.indexOf("poop") !== -1){
	alert("Not again");
}
//use indexOf (it returns position of substring or -1 if not found)
Posted by: Guest on July-18-2019
6

js check if string contains character

"FooBar".includes("oo"); // true

"FooBar".includes("foo"); // false

"FooBar".includes("oo", 2); // false
Posted by: Guest on June-12-2020
1

string contains js

var str = "foobar"
var regex = /foo/g;
if (str.search(regex) !== -1) {
  alert("string conains foo!")
}
Posted by: Guest on December-21-2020
0

js check if string contains character

if (your_string.indexOf('hello') > -1)
{
  alert("hello found inside your_string");
}
Posted by: Guest on June-12-2020

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