import re


with open('c:/Users/levente.marton/.abook/addresbook.vcf', 'w') as new_c:
    with open('c:/Users/levente.marton/.abook/allcontacts.vcf', 'r') as contacts:
        n = -1
        for line in contacts.readlines():
            if line != '' and 'EMAIL' in line:
#                 print(line)
                n += 1
                _mail = re.search('[a-z]*:', line)
                _at = re.search('[a-z]*@', line)
                print(n, line[_mail.start() + 1:-1])
                new_c.write('[' + str(n) + ']' + '\n')
                new_c.write('name=' + line[_mail.start() + 1:_at.end() - 1] + '\n')
                new_c.write('email=' + line[_mail.start() + 1:-1] + '\n')