"""
***************************
@Project :正则
@Author :majun
@Date : 2020/10/29 10:41
*******************************
"""
import re
#1.匹配 aaa.aaa.aaa.aaa, 其中a为任意字母
def Aaa():
string='aaa.aaa.aaa.aaa'
r=r'[a-zA-Z]{3}.[a-zA-Z]{3}.[a-zA-Z]{3}.[a-zA-Z]{3}'
match=re.findall(r,string)
print (match)
#2.判断身份证号码，包括18位和15位的情况
def Sfc():
sfz_18=r'^[1-9]d{5}(18|19|([23]d))d{2}((0[1-9])|(10|11|12))(([0-2][1-9])|10|20|30|31)d{3}[0-9Xx]$'
sfz_15=r'([1-9]d{5}d{2}(?:(?:0[1-9])|(?:10|11|12))(?:(?:[0-2][1-9])|10|20|30|31)d{3})'
ID_18='350702199812220810'
ID_15='310112850409522'
match_18=re.match(sfz_18,ID_18).group()
match_15=re.match(sfz_15,ID_15).group()
print (match_18)
print (match_15)
#3. 判断是否符合 USD 格式 格式如 $1,123,343.12
def Usd():
dollar='$1,123,343.12'
US_dollar = r'^$[1-9]d{0,2}((,d{3})|0)*(.d{2})$'
match=re.match(US_dollar,dollar).group()
print(match)
# 4.单词匹配
# his history hisense his are 找出所有his的单词
# hised historyed hisenseed his aedre 找出所有后缀带ed的单词
def Words():
string_1 = 'his history hisense his are'
string_2 = 'hised historyed hisenseed his aedre'
r_1 = r'his'
r_2 = r'[a-zA-Z]*ed'
print(re.findall(r_1, string_1))
print(re.findall(r_2, string_2))
#2.info = """This is the first line.
#Hi this is the second line.
#This is the third line."""
# 匹配所有 This is the xxx line（不区分大小写）
# 只匹配行首为This is the xxx line（不区分大小写）
def String():
info = """This is the first line.
Hi this is the second line.
This is the third line."""
print(re.findall(r'this.*?line', info,re.I))
print(re.findall(r'^this.*?line', info,re.I))
# 3.思考单行模式和多行模式是否可以同时使用，如果可以将第2题同时使用单行模式和多行模式来匹配。
print(re.findall(r'this.*?line', info, re.M|re.I|re.S))
if __name__=='__main__':
Aaa()
Sfc()
Usd()
Words()
String()
