1. 5 or less
2. exactly 5
3. 5 or more
4. exactly 4
exactly 5
1. ‘^’, ‘$’
2. ‘$’, ‘^’
3. ‘$’, ‘’
4. ‘?’, ‘^’
‘^’, ‘$’
1. >>> p = re.compile("d")>>> p.search("door")
2. >>> p = re.escape(‘hello’)
3. >>> p = re.subn()
4. >>> p = re.purge()
>>> p = re.subn()
1. [‘Hello’, ‘hello’, ‘hello.’]
2. [‘Hello, ‘hello’, ‘hello’]
3. [‘Hello’, ‘hello’, ‘hello’, ‘.’]
4. [‘Hello’, ‘hello’, ‘hello’, ”]
[‘Hello’, ‘hello’, ‘hello’, ”]
1. [“hello”]
2. [ ]
3. hello
4. hello world
[ ]
1. >>> re.search(‘aaaa’, “alohaaaa”, 0)
2. >>> re.match(‘aaaa’, “alohaaaa”, 0)
3. >>> re.match(‘aaa’, “alohaaa”, 0)
4. >>> re.search(‘aaa’, “alohaaa”, 0)
>>> re.search(‘aaaa’, “alohaaaa”, 0)
1. re.sub()
2. re.pos()
3. re.purge()
4. re.subn()
re.purge()
1. 8
2. 32
3. 64
4. 256
256
1. re.A
2. re.U
3. re.I
4. re.X
re.I
1. [‘h’, ‘e’, ‘l’, ‘l’, ‘o’]
2. re.compile(‘hello’, re.VERBOSE)
3. Error
4. Junk value
re.compile(‘hello’, re.VERBOSE)