Simple splitting of a string, just change [0] to [1] if you want to get the text after the “;#” you can change that too.
[javascript]
function getID(value) {
returnvalue = value.split(/;#/)[0];
return returnvalue;
}
var text = ‘1;#Athene’;
var abc = getID(text);
console.log(abc);
[/javascript]