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Weird regular pattern behaviour in Python
import re

data = '''component FA_8 is
port(   a : in bit_vector(7 downto 0);
    b: in bit_vector(7 downto 0);
    s: out bit_vector(7 downto 0);
    c: out bit);
end component;'''

m = re.search(r'''component +(w+) +is[ n]+
                port *[(] +''', data, re.I | re.VERBOSE)

if m:
    print m.group()
else:
    print "Cant find pattern"

m = re.search(r'''components+(w+)s+iss+
            ports*[(]s+''', data, re.I | re.VERBOSE)