JAVASCRIPT

regex serch in capture group

string_value:(?=(?:(?!attributes_cache).)*name: last_name)s+"(w+)".*?attributes_cache

regex capture group example

let str = '<h1>Hello, world!</h1>';

let tag = str.match(/<(.*?)>/);

alert( tag[0] ); // <h1>
alert( tag[1] ); // h1