console from Sec 01 - Nov 18

import re
s = '100 NORTH MAIN ROAD'
s1 = s.replace('ROAD', 'RD.')
print s1
100 NORTH MAIN RD.

s = s + " "
s = s + s + s + s
print s
100 NORTH MAIN ROAD 100 NORTH MAIN ROAD 100 NORTH MAIN ROAD 100 NORTH MAIN ROAD 

s1 = s.replace('ROAD', 'RD.')
print s1
100 NORTH MAIN RD. 100 NORTH MAIN RD. 100 NORTH MAIN RD. 100 NORTH MAIN RD. 

s1 = s.replace('ROAD', 'RD.', 2)
print s1
100 NORTH MAIN RD. 100 NORTH MAIN RD. 100 NORTH MAIN ROAD 100 NORTH MAIN ROAD 

s2 = re.sub('ROAD', 'RD.', s)
print s2
100 NORTH MAIN RD. 100 NORTH MAIN RD. 100 NORTH MAIN RD. 100 NORTH MAIN RD. 

# replace road by rd. at the end of the string only
s = '100 NORTH MAIN ROAD'
s2 = re.sub('ROAD$', 'RD.', s)
print s2
100 NORTH MAIN RD.

s = '100 NORTH BROAD ROAD'
s2 = re.sub('ROAD', 'RD.', s)
print s
100 NORTH BROAD ROAD

print s2
100 NORTH BRD. RD.

s2 = re.sub('ROAD$', 'RD.', s)
print s
100 NORTH BROAD ROAD

print s2
100 NORTH BROAD RD.


str = 'Wow thaaaaaat issssssssssssssssssss greeeeeaaaaat'
str1 = re.sub('e+', 'e', str)
print str1
Wow thaaaaaat issssssssssssssssssss greaaaaat

str2 = re.sub('a+', 'a', str1)
print str2
Wow that issssssssssssssssssss great

str3 = re.sub('a+', 'a', str2)
print str3
Wow that issssssssssssssssssss great

str3 = re.sub('s+', 's', str2)
print str3
Wow that is great


p = re.compile("[0]|[1-9][0-9]*")
str = "987 56 abc 123 ab65 123 0 045 8 5.68"
print p
<_sre.SRE_Pattern object at 0x0000000003F551F0>
nums = p.findall(str)
print nums
['987', '56', '123', '65', '123', '0', '0', '45', '8', '5', '68']


str = 'bally ally early wisper orange orangey'
p = re.compile('[aeiou][a-z]*y')
words = p.findall(str)
print str
bally ally early wisper orange orangey

print words
['ally', 'ally', 'early', 'orangey']

p = re.compile(r'\b[aeiou][a-z]*y')
words = p.findall(str)
print words
['ally', 'early', 'orangey']
print str
bally ally early wisper orange orangey

p = re.compile('[a-z]*4')
words = p.findall(str)
print words
[]

p = re.compile('[a-z][a-z][a-z][a-z]')
words = p.findall(str)
print words
['ball', 'ally', 'earl', 'wisp', 'oran', 'oran']