javascript
const regex = /^\d+\.\s.+$/gm;
const result = str.match(regex);
python
import re
pattern = re.compile(r'^\d+\.\s.+$', re.MULTILINE)
result = pattern.findall(text)
go
import "regexp"
re := regexp.MustCompile(`(?m)^\d+\.\s.+$`)
result := re.FindAllString(text, -1)