# -*- coding: utf-8 -*-
import re
str = """
Istruzioni: clicca su "clone", quindi inserisci qui il testo. Il prg rende minuscola la prima lettera di ogni riga che comincia con:
*[[
"""
def lowercase(matchobj):
return matchobj.group(0).lower()
str = re.sub(r'\*\[\[([A-Z])', lowercase, str)
print str
IyAtKi0gY29kaW5nOiB1dGYtOCAtKi0KaW1wb3J0IHJlCgpzdHIgPSAiIiIKCgpJc3RydXppb25pOiBjbGljY2Egc3UgImNsb25lIiwgcXVpbmRpIGluc2VyaXNjaSBxdWkgaWwgdGVzdG8uIElsIHByZyByZW5kZSBtaW51c2NvbGEgbGEgcHJpbWEgbGV0dGVyYSBkaSBvZ25pIHJpZ2EgY2hlIGNvbWluY2lhIGNvbjoKKltbCgoKIiIiCgpkZWYgbG93ZXJjYXNlKG1hdGNob2JqKToKICAgIHJldHVybiBtYXRjaG9iai5ncm91cCgwKS5sb3dlcigpCgpzdHIgPSByZS5zdWIocidcKlxbXFsoW0EtWl0pJywgbG93ZXJjYXNlLCBzdHIpCnByaW50IHN0cg==