Answers for "javascript check if string only contains letters"

3

how to check if a string has only alphabets in javascript

if (!/[^a-zA-Z]/.test(word))
Posted by: Guest on June-11-2020
0

checking if a character is an alphabet in js

function isLetter(str) {
  return str.length === 1 && str.match(/[a-z]/i);
}
Posted by: Guest on May-15-2020
28

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
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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