javascript
const regex = /\b[0-9a-f]{7,40}\b/g;
const result = str.match(regex);python
import re
pattern = re.compile(r'\b[0-9a-f]{7,40}\b')
result = pattern.findall(text)go
import "regexp"
re := regexp.MustCompile(`\b[0-9a-f]{7,40}\b`)
result := re.FindAllString(text, -1)