Search for a String in a Text File Using theread() Method Another method we can use to read data from a text file in Python isread(). This method returns a string containing a file’s contents. Using the read() method, we’ll search the following text file for the word “magician....
file-like Object:像open()函数返回的这种有个read()方法的对象,在Python中统称为file-like Object。除了file外,还可以是内存的字节流,网络流,自定义流等等。file-like Object不要求从特定类继承,只要写个read()方法就行。 StringIO就是在内存中创建的file-like Object,常用作临时缓冲。 • 写文件 调用open( ...
_bisect browser imp...Enter any module name togetmore help.Or,type"modules spam"to searchformodules whose name or summary contain the string"spam".>>>help('print')Help on built-infunctionprintinmodule builtins:print(...)print(value,...,sep=' ',end='\n',file=sys.stdout,flush=False)...
#string 对象的split()方法只适应于非常简单的字符串分割情形,它并不允许有 多个分隔符或者是分隔符周围不确定的空格。当你需要更加灵活的切割字符串的时候最好使用re.split()方法 line = 'asdf fjdk; afed, fjek,asdf, foo' import re list_line = re.split(r'[;,\s]\s*',line) ...
protectedResource ='http://localhost/secured_path'foundPass =Falseforuserinusers:iffoundPass:breakforpasswdinpasswords: encoded = base64.encodestring(user+':'+passwd) response = requests.get(protectedResource, auth=(user,passwd))ifresponse.status_code !=401:print('User Found!')print('User: %s...
import mechanize import time from bs4 import BeautifulSoup import string import urllib start = "http://www.irrelevantcheetah.com/browserimages.html" filetype = raw_input ("What file type are you looking for?\n") br = mechanize.Browser() r = br.open(start) html = r.read() soup = ...
re.search(pattern, string, flags=0)函数参数说明:参数描述 pattern 匹配的正则表达式 string 要匹配的字符串。 flags 标志位,用于控制正则表达式的匹配方式,如:是否区分大小写,多行匹配等等。参见:正则表达式修饰符 - 可选标志匹配成功re.search方法返回一个匹配的对象,否则返回None。
text ="Local Phone Number: 027-888888"match = re.search(pattern, text)print("普通字符串匹配结果：", match.group() if match else"未找到匹配")# 使用原始字符串 pattern_raw =r"\d{3}-\d{6}"# 匹配格式为"###-###"的电话号码 match_raw = re.search(pattern_raw, text)print("原始字符...
encoding='utf-8') as file:# 读取所有行for line in file:# 使用find寻找匹配if search_string in...
jinlist_1:sht_3[int(i),int(j)].color=(255,25,0)f()list_1=[]foriinrange(30):forjinr...