1. 使用正则表达式匹配中文字符:
import re
def count_chinese_characters(text):
pattern = re.compile(r'[\u4e00-\u9fa5]')
chinese_characters = re.findall(pattern, text)
return len(chinese_characters)
text = "Hello 你好 World"
count = count_chinese_characters(text)
print("Number of Chinese characters:", count)
2. 遍历字符串并检查每个字符是否在中文字符的Unicode编码范围内:
def count_chinese_characters(text):
count = 0
for char in text:
if '\u4e00' <= char <= '\u9fa5':
count += 1
return count
text = "Hello 你好 World"
count = count_chinese_characters(text)
print("Number of Chinese characters:", count)
以上两种方法都可以用来统计字符串中的中文字符数量。请选择适合您需求的方法进行使用