The JavaScript string search() method determines a specified regular expression in a given string and returns its position if a match occurs.
Syntax:
string.search(regexp)
Parameters:
regexp: It represents the regular expression to be searched.
Return:
It will return the position of the regular expression if it is present in the string otherwise returns -1.
Example:
<!DOCTYPE html>
<html>
<body>
<script>
var a ="Best tutorial website: w3schools";
document.write(a.search('co'));
document.write("</br>");
document.writeln(a.search(/web/));
document.write("</br>");
document.writeln(a.search(/web/i));
</script>
</body>
</html>