JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text" id="text"/>
<input type="button" id="btn" value = "get viemo id"/>
<div id="vimeoid">
</div>
JavaScript
$('#btn').click(function(){
var url = $("#text").val();
var regExp = /http:\/\/(www\.)?vimeo.com\/(\d+)($|\/)/;
var match = url.match(regExp);
if (match){
$("#vimeoid").html("id: " + match[2]);
}else{
$("#vimeoid").html("not a vimeo url");
}
});