python 正则表达式提取某列日期（re正则表达示提取字符串中的数字）
python 正则表达式提取某列日期（re正则表达示提取字符串中的数字）
# -*- coding:utf-8 -*-
import re
def get_num_re(str_wm):
##提取正负数字和百分数
wm_nv = re.findall(r'([-]?\d .\d [%]|[-]?\d .\d )' str_wm)
return wm_nv
def get_time_re(str_wm):
#取时间 "2020-02-10 20:49:21.731640"
wm_nv = re.findall(r'(\d [-]\d [-]\d \s\d [:]\d [:]\d [.]\d )' str(str_wm))
return wm_nv
if __name__ == '__main__':
str_wm = ' 测试30摄氏度，-125米深，时间：2020-02-10 20:49:21.731640'
s1 = get_num_re(str_wm)
s2 = get_time_re(str_wm)
print(s1)
print(s2)
"""
运行结果：
['-125' '2020-02' '-10 20' '49:21' '731640']
['2020-02-10 20:49:21.731640']
Process finished with exit code 0
"""
"""
Pgabc 2022000014
author : Pgabc
www.wmdbsoft.com
"""
