Is there a way to replace a string in a text without spaces?

Question

Is there a way to replace something like this:

testHoraciotestHellotest

And replace the 'test' word via javascript, I've tried with the .replace() function but it didn't work

Answer 1

It's simple.

var str = "testHoraciotestHellotest";
var res = str.replace("test", "test1");
console.log(res);

If you want to replace all occurances of 'test' rather than just one, use the following trick instead:

var res = str.split("test").join ("test1");

Answer 2

str.replace() also accepts regular expressions, so you can use /test/g to match all instances of 'test' in the string.

var str = "testHoraciotestHellotest";
var res = str.replace(/test/g, "replaced");
console.log(res);

Answer 3

use g to make a global replace to the string

var str = "testHoraciotestHellotest";
var res = str.replace(/test/g, "word");
console.log(res);