string = 'done do doing' re.findall(r'\b\w{3}(?!ing\b)',string) # ['don', 'doi'] string = 'done do doing' re.findall(r'\b\w{2}(?!ing\b)',string) # ['do', 'do'] string = 'done do doing' re.findall(r'\w{2}',string) # ['do', 'ne', 'do', 'do', '...
import re # Target String one str1 = "Emma's luck numbers are 251 761 231 451" # pattern to find three consecutive digits string_pattern = r"\d{3}" # compile string pattern to re.Pattern object regex_pattern = re.compile(string_pattern) # find all the matches in string one result ...
s, re.I)print(match1)print(f'匹配值的起始位置:{match1.start()}')print(f'匹配值的结束位置:{match1.end()}')print(f'匹配值开始与结束位置的元组:{match1.span()}')print(f'需要进行匹配的字符串:{match1.string}')print(f'匹配出的数据:{match1.group()...
string, flags=0) flags:I(忽略大小写),M(多行),S(.能匹配所有包括换行符),X(忽略pattern的注释)# 无分组的情况下ret = re.match('h\w+', data)# 匹配成功返回匹配对象,具有以下的group方法,不成功则返回None,不具有下列方法print(ret.group())# group方法返回匹配到的...
The content of the capturing groups will be available as separate items in the match object by calling the.groups()method, which returns a tuple of the matched strings. Note:The entry regex definition uses Python’s implicitstring concatenation: ...
re.findall(string[, pos[, endpos]]) 1. 参数: string待匹配的字符串。 pos可选参数,指定字符串的起始位置,默认为 0。 endpos可选参数,指定字符串的结束位置,默认为字符串的长度。 查找字符串中的所有数字: importre pattern=re.compile(r'\d+')# 查找数字result1=pattern.findall('runoob 123 google ...
def double(matched): value = int(matched.group(‘value’)) return str(value * 2) s = ‘A23G4HFD567’ print(re.sub(‘(?P\d+)’, double, s)) A46G8HFD1134 1.2.9. 正则表达式修饰符 - 可选标志 正则表达式可以包含一些可选标志修饰符来控制匹配的模式。修饰符被指定为一个可选的标志。多...
repl参数是一个函数:>>>importre>>>#将匹配的数字乘于2>>>defdouble(matched):value=int(matched.group('value'))returnstr(value*2)>>>s='A23G4HFD567'>>>print(re.sub('(?P<value>\d+)',double,s))A46G8HFD1134 re.compile()函数: ...
get("http://www.example.com") requests.get("http://www.example.com?hello=world") # One call on each url, querystring is matched by default responses.assert_call_count("http://www.example.com", 1) is True responses.assert_call_count("http://www.example.com?hello=world", 1) is ...
import re passwords = ['abc123','admin_12','password-1234','name@123', 'ab', 'Abc123'] pattern = re.compile('^[0-9a-z_-]{6,18}$') for password in passwords: if pattern.match(password): print('matched: ', password)