javascript
const regex = /[\u3041-\u3096]/g;
const result = str.match(regex);
python
import re
pattern = re.compile('[\u3041-\u3096]')
result = pattern.findall(text)go
import "regexp"
re := regexp.MustCompile(`[\x{3041}-\x{3096}]`)
result := re.FindAllString(text, -1)