Hello everyone , I meet you again , I'm your friend, Quan Jun .
1、 Regular matching Chinese characters
import re
str1='hjggj Small vjjk bright '
pat=re.compile(r'[\u4e00-\u9fa5]+')
result=pat.findall(str1)
print(result)
# Output [' Small ', ' bright ']2、 Regular matching numbers
import re
re.findall(r'\d+', 'hello 42 I'm a 32 string 30')
# ['42', '32', '30']
re.findall(r'\d+', "hello 42 I'm a 32 str12312ing 30")
['42', '32', '12312', '30']This makes the non pure numbers in the string recognized
Identify pure numbers , If you only need to use word boundaries ( Space , Full stop , comma ) Separated numbers , You can use \b
re.findall(r'\b\d+\b', "hello 42 I'm a 32 str12312ing 30")
# ['42', '32', '30']
re.findall(r'\b\d+\b', "hello,42 I'm a 32 str12312ing 30")
# ['42', '32', '30']
re.findall(r'\b\d+\b', "hello,42 I'm a 32 str 12312ing 30")
# ['42', '32', '30']Publisher ： Full stack programmer stack length , Reprint please indicate the source ：https://javaforall.cn/148606.html Link to the original text ：https://javaforall.cn
