正则表达式 找log中的name

# 求各类文件大小的总和,并写到新的文件中
import re
# 定义一个字典做文件类型的归类
dict_file={}
with open('log.txt') as files,open('d:/1/new2.txt','w') as f:
    for file in files: # 获得字符串
        file_type = re.findall(f'\.\w+',file)[0]#是list格式的值 ['.jpg'] 需要取小标为0
        file_size = int(file.split(' ')[1])# 截取字符串后获得列表['13f20189111090619/j4mxbEivh.json', '2990', 'Fpq-3y13Yr1CadNrJVSDnpeRhot']
        if file_type not in dict_file:
            dict_file[file_type] = file_size

        else:
            dict_file[file_type]+= file_size

    print(dict_file)# {'.jpeg': 226396, '.json': 181188, '.jpg': 136334}
    f.write(str(dict_file))

 

 

import re
file1=(open('1.txt').readlines())
'''

A girl come in, the name is Jack, evel 955;
A old lady come in, the name is Mary,level 94454;
A pretty boy come in, the name is Patrick, level 194;

'''
print(file1)
for i in file1:

    # 通过正则获得全部的name
    name = re.findall(r'the name is ([a-zA-Z\s]+)', i)#([a-zA-Z\s]+)仅匹配字母和空格的非单个字母的单词

print(name)

 

import re

str3='runoob 123 google 456 999 777'
str4='set width=20 and height=10'
result3 = re.findall(r'\d+',str3)
result33 = re.findall(r'(\d+)',str3)
result4 = re.findall(r'(\w+)=(\d+)',str4)

print(result3)
print(result33)
print(result4)

text = "A girl come in, the name is Jack, evel 955; A old lady come in, the name is Mary,level 94454; A pretty boy come in, the name is Patrick, level 194;"

names = re.findall(r'the name is (\w+)', text)

print(names)


'''
['123', '456', '999', '777']
['123', '456', '999', '777']
[('width', '20'), ('height', '10')]
['Jack', 'Mary', 'Patrick']
'''

 

1.txt里的内容

A girl come in, the name is Jack, evel 955;
A old lady come in, the name is Mary,level 94454;
A pretty boy come in, the name is Patrick, level 194;

 # 第一步 从txt中获取名字

file_path='1.txt'
with open(file_path,'r') as f:
    # 按行读 返回列表
    list1=f.read().splitlines()

# 第二步  对列表中的每一个元素做拆分
# 找到name的值
def get_name(list1):
    for item in list1:
        name = item.split(',')[1].split(' ')[-1:]
        print(name)
get_name(list1)

 

import re

text = "A girl come in, the name is Jack, evel 955; 
A old lady come in, the name is Mary,level 94454; 
A pretty boy come in, the name is Patrick, level 194;"

names = re.findall(r'the name is (\w+)', text)

print(names)

 

str4='set width=20 and height=10'
result4 = re.findall(r'(\w+)=(\d+)',str4)
'''
[('width', '20'), ('height', '10')]
'''