# coding=utf8
# the above tag defines encoding for this document and is for Python 2.x compatibility
import re
regex = r"\[[^[\]]*?\]"
test_str = ("São geralmente recuperados a partir de um objeto [FileList](https://developer.mozilla.org/pt-BR/docs/Web/API/FileList) que é retornado como resultado da seleção, pelo usuário, de arquivos através do elemento [<input>](https://developer.mozilla.org/pt-BR/docs/Web/HTML/Element/Input), a partir do objeto [DataTransfer](https://developer.mozilla.org/pt-BR/docs/Web/API/DataTransfer) utilizado em operações de arrastar e soltar, ou a partir da API `mozGetAsFile()` em um [HTMLCanvasElement](https://developer.mozilla.org/pt-BR/docs/Web/API/HTMLCanvasElement). Em Gecko, códigos com privilégiios podem criar objetos File representando qualquer arquivo local sem a intereção do usuário (veja [Implementation notes](https://developer.mozilla.org/pt-BR/docs/Web/API/File#implementation_notes) para mais informações.).[\n")
matches = re.finditer(regex, test_str, re.MULTILINE)
for matchNum, match in enumerate(matches, start=1):
print ("Match {matchNum} was found at {start}-{end}: {match}".format(matchNum = matchNum, start = match.start(), end = match.end(), match = match.group()))
for groupNum in range(0, len(match.groups())):
groupNum = groupNum + 1
print ("Group {groupNum} found at {start}-{end}: {group}".format(groupNum = groupNum, start = match.start(groupNum), end = match.end(groupNum), group = match.group(groupNum)))
# Note: for Python 2.7 compatibility, use ur"" to prefix the regex and u"" to prefix the test string and substitution.
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Python, please visit: https://docs.python.org/3/library/re.html