如何判断字符串的内容是否为双字节字符？

Question

s1 = '白日依山尽，黄河入海流，欲穷千里目，更上一层楼。'
s2 = 'If we don't have the guts to try anything, what's the meaning of life?'
s3 = '危楼高百丈，伸手欲摘星，不敢高声语，恐惊天上人。'

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判断字符串的内容是否为中文？

import re

p = re.compile('[\u4e00-\u9fa5]')
s1 = '白日依山尽，黄河入海流，欲穷千里目，更上一层楼。'
s2 = "If we don't have the guts to try anything, what's the meaning of life?"
s3 = '危楼高百丈，伸手欲摘星，不敢高声语，恐惊天上人。'

import re

p = re.compile('[^\x00-\xff]')
print(''.join(i.group() for i in p.finditer(s1)) == s1)
print(''.join(i.group() for i in p.finditer(s2)) == s2)
print(''.join(i.group() for i in p.finditer(s3)) == s3)

各位大侠，是否有 更好的方法 来判断字符串内容是否为双字节字符？

Answer 1

根据码段来判断，去查查编码表，好像是大于某个值，后面一字节和它是一块的，也即是双字节字符