from findMatch import find_match
#optionl a-z. char, optional 0-9, end
find_match('^[a-z]?.[0-9]?$', '', 1) # N
find_match('^[a-z]?.[0-9]?$', 'a', 1) # Y
find_match('^[a-z]?.[0-9]?$', 'aa', 1) # Y
find_match('^[a-z]?.[0-9]?$', 'aa5', 1) # Y
find_match('^[a-z]?.[0-9]?$', 'aa55', 1) # N
from findMatch import find_match
#starts with a, then optional b, then c ends the string
find_match('^ab*c$', 'ac', 1) # Y
find_match('^ab*c$', 'abc', 2) # Y
find_match('^ab*c$', 'abbbbc', 3) # Y
find_match('^ab*c$', 'ababc', 4) # N
from findMatch import find_match
#optionl a-z. char, optional 0-9, end
find_match('^[a-z]{2}$', '', 1) # N
find_match('^[a-z]{2}$', 'a', 2) # N
find_match('^[a-z]{2}$', 'aa', 3) # Y
find_match('^[a-z]{2}$', 'aaa', 4) # N
#slide 5 from findMatch import find_match #\s - white space #\S - not white space find_match(r'\s$', ' ', 1) # Y find_match(r'\s$', 'a', 2) # N find_match(r'\S$', ' ', 3) # N find_match(r'\S$', 'a', 4) # Y
#slide 5 from findMatch import find_match #\d - is the same as [0-9] #\D - is the same as [^0-9] find_match(r'\d$', '1', 1) # Y find_match(r'\d$', 'a', 2) # N find_match(r'\D$', '1', 3) # N find_match(r'\D$', 'a', 4) # Y
#slide 5 from findMatch import find_match #\w is the same as [a-zA-Z0-9_] #\W is the same as [^a-zA-Z0-9_] find_match(r'\w$', 'a', 1) # Y find_match(r'\w$', '?', 2) # N find_match(r'\W$', 'a', 3) # N find_match(r'\W$', '?', 4) # Y
from findMatch import find_match
#at least 2 characters
find_match('^[a-z]{2,}$', '', 1) # N
find_match('^[a-z]{2,}$', 'a', 1) # N
find_match('^[a-z]{2,}$', 'aa', 1) # Y
find_match('^[a-z]{2,}$', 'aaa', 1) # Y
#slide 5
from findMatch import find_match
#\w is the same as [a-zA-Z0-9_]
find_match(r'\w{5}$', 'a1A_v', 1) # Y
find_match(r'\w{5}$', 'a1A?v', 2) # N
find_match(r'\w{5}$', 'a1A_', 3) # N
from findMatch import find_match
#starts with a, then optional b, then c ends the string
find_match('^[A-Z]+', '', 1) # N
find_match('^[A-Z]+', 'c', 1) # N
find_match('^[A-Z]+', 'A', 1) # Y
find_match('^[A-Z]+', 'ABBFAb', 1) # Y
from findMatch import find_match
find_match('^([A-Z][a-z]){2,}$', '', 1) # N
find_match('^([A-Z][a-z]){2,}$', 'Aa', 2) # N
find_match('^([A-Z][a-z]){2,}$', 'AaAa', 3) # Y
find_match('^([A-Z][a-z]){2,}$', 'AaAaAa', 4) # Y
find_match('^([A-Z][a-z]){2,}$', 'AAaa', 5) # N
find_match('^([A-Z][a-z]){2,}$', 'aa', 6) # N