python 正规表达式匹配

#coding=utf-8
"""
user:
version:
function:
"""
def phoneNumRegex(content,re_str):
phone = re.compile(re_str)
mo = phone.search(content)
num = mo.group()
return num

import re
phoneNumRegex = re.compile(r'\d\d\d-\d\d\d-\d\d\d\d')
mo = phoneNumRegex.search('My mumber is 415-555-4242')
print('Phone number found: ' + mo.group())

#假定想要将区号从电话号码中分离，添加括号将在正则表达式中创建“分组”

phoneNumber = re.compile(r'(\d\d\d)-(\d\d\d-\d\d\d\d)')
mo = phoneNumber.search('My number is 415-555-4242.')
print(mo.group(1))
print(mo.group(2))
print(mo.group(0))
print(mo.group())
print(mo.groups())
# = mo.groups()返回多个值的元组，可以使用多重复制技巧，每一个值赋给一个独立的变量
areaCode,mainNumber = mo.groups()
print(areaCode)
print(mainNumber)

#用管道匹配多个分组
heroRegex = re.compile(r'Batman|Tina Fey')
mo1 = heroRegex.search('Batman and Tina Fey.')
print(mo1.group())

mo2 = heroRegex.search('Tina Fey and Batman.')
print(mo2.group())

#匹配以bat开头的任意一个
batRegex = re.compile(r'Bat(man|mobile|copter|bat)')
mo4 = batRegex.search('Batmobile lost a wheel')
print(mo4.group())
print(mo4.group(1))

#用问号实现可选匹配

batRegex = re.compile(r'Bat(wo)?man')
mo5 = batRegex.search('The Adventures of Batman')
print("mo5:" + mo5.group())

mo6 = batRegex.search('The Adventures of Batwoman')
print(mo6.group())

phoneRegex = re.compile(r'(\d\d\d-)?\d\d\d-\d\d\d\d')
mo7 = phoneRegex.search('My number is 415-555-4242')
print(mo7.group())
#匹配问号之前的分组0次或者1次
mo8 = phoneRegex.search('My number is 555-4242')
print(mo8.group())

#用星号匹配0次或多次

#用加号匹配一次或多次

#用花括号匹配特定的次数

#信心和非信心匹配

#字符分类 \d 0-9的任何数字 \D 除0-9以外的任何字符

#.字符为“通配符，匹配除换行之外的任意字符”
#用点-星匹配所有字符

import re

def phoneNumRegex_zero(re_str,content):
    phone = re.compile(re_str)
    mo = phone.search(content)
    num = mo.group()
    return num

def phoneNumRegex_one(re_str,content):
    phone = re.compile(re_str).search(content).group()
    return phone

def phoneNumRegex_search(re_str,content):
    phone = re.search(re_str,content).group()
    return phone

def phoneNumRegex_match(re_str,content):
    phone = re.match(re_str,content).group()
    return phone

def phoneNumRegex_findall(re_str,content):
    phone = re.findall(re_str,content)
    return phone



if __name__ == '__main__':
    content = '400-888-8888 is my number'
    content_str = 'my number is 400-800-1223'
    re_str = r'\d\d\d-\d\d\d-\d\d\d\d'
    print(phoneNumRegex_search(re_str,content_str))

    #假定想要将区号从电话号码中分离，添加括号将在正则表达式中创建“分组”
    content_str = 'my number is 400-800-1223'
    re_str = r'(\d{3})-(\d{3}-\d{4})'
    print(phoneNumRegex_findall(re_str,content_str))