import re

print(f'{"-"*20}模式对象{"-"*20}')

text = 'fuck shit it make she forest'

results = re.findall(r'\b[Ff]\w+', text)

print(results)

pattern = re.compile(r'\b[Ff]\w+')

print(pattern.findall(text))

print(pattern.pattern)

print(pattern.groups)

print(pattern.flags)

print(f'{"-"*20}search{"-"*20}')

print(pattern.search(text))

print(f'{"-"*20}match{"-"*20}')

result = pattern.match(text)

print(result)

print(f'{"-"*20}fullmatch{"-"*20}')

result = pattern.fullmatch(text)

print(result)

result = pattern.fullmatch('fuck')

print(result)

print(f'{"-"*20}split{"-"*20}')

print(pattern.split(text))

print(f'{"-"*20}findall{"-"*20}')

print(pattern.findall(text))

print(f'{"-"*20}finditer{"-"*20}')

print(pattern.finditer(text))

print(f'{"-"*20}sub{"-"*20}')

result = pattern.sub("fffffuck", text)

print(result)

print(f'{"-"*20}subn{"-"*20}')

t = pattern.subn('ffffuck', text)

print(t)

print(f'{"-"*20}匹配对象{"-"*20}')

text = '总共20条数据 每页5条'

pattern = re.compile(r'总共(?P<total>\d+)条数据\s+每页(?P<per>\d+)条')

match = pattern.match(text)

print(match.group(1))

print(match.groups())

print(match.groupdict())