Hashtag Regex

const regex = /#([A-Za-z0-9_]+)/g;
const result = [...str.matchAll(regex)].map(m => m[1]);

import re
pattern = re.compile(r'#([A-Za-z0-9_]+)')
result = pattern.findall(text)

import "regexp"
re := regexp.MustCompile(`#([A-Za-z0-9_]+)`)
result := re.FindAllString(text, -1)