from crocs.regex import Seq, Include, Repeat, Pattern, NamedGroup, Include
# First we define how our Patterns look like.
name_letters = Include(Seq('a', 'z'))
# The regex {n,m} repeatition. The name should contains more
# than 0 chars.
name = Repeat(name_letters, 1)
# Create a named group to make it available after matching.
name = NamedGroup('name', name)
# The hostname part looks like the name except
# it starts with 'python' in the beginning,
hostname = Repeat(name_letters, 1)
hostname = NamedGroup('hostname', 'python', hostname)
# The Pattern class joins the sub patterns it forms a single one.
mail = Pattern(name, '@', hostname, '.', 'br')
mail.test()
mail.hits()
from crocs.regex import Pattern, Group, X
e = Pattern('a', Group('b', X()))
e.test()
e.hits()
from crocs.regex import Pattern, NamedGroup, X
e0 = NamedGroup('beta', 'X', X(), 'B')
e1 = Pattern('um', e0, 'dois', e0, 'tres', e0)
e1.test()
e1.hits()