javascript
const regex = /[\u4E00-\u9FFF]{1,4}\s[\u4E00-\u9FFF]{1,4}/g;
const result = str.match(regex);python
import re
pattern = re.compile('[\u4E00-\u9FFF]{1,4}\\s[\u4E00-\u9FFF]{1,4}')
result = pattern.findall(text)go
import "regexp"
re := regexp.MustCompile(`[\x{4E00}-\x{9FFF}]{1,4}\s[\x{4E00}-\x{9FFF}]{1,4}`)
result := re.FindAllString(text, -1)