Ejercicios 7b-d
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"""
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Project: Date Detection
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Page 186
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"""
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import re
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import datetime
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tests = """
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Sí 1/1/1911
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Sí 02/1/2000
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Sí 12/12/2012
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No 123/1/1911
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No 1/123/1911
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No 1/1/11
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Inválido 32/12/1212
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Inválido 3/13/1212
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Inválido 3/12/3000
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Inválido 3/12/00
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Inválido 29/02/2023
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"""
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def find_date(string):
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rgx = re.compile(r"\b(\d{1,2})/(\d{1,2})/(\d{4})")
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finds = rgx.findall(string)
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dates = []
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for find in finds:
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d, m, y = int(find[0]), int(find[1]), int(find[2])
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if y > 999 and y < 3000:
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try:
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dates.append(datetime.date(y, m, d).isoformat())
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except Exception:
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pass
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return dates
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dates = find_date(tests)
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print(dates)
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"""
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Project: Strong Password Detection
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Page 186
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"""
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import re
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tests = [
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"",
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"a",
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"aaaaaaaa",
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"AAAAAAAA",
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"11111111",
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"aAaAaAaA",
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"a1a1a1a1",
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"A1A1A1A1",
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"aA1aA1aA1",
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]
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def check_pass(string):
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withupper = True if re.match(r".*[A-Z]", string) else False
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withlower = True if re.match(r".*[a-z]", string) else False
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withdigit = True if re.match(r".*\d", string) else False
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if len(string) >= 8 and withupper and withlower and withdigit:
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print(f"'{string}' is a strong pass")
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else:
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print(f"'{string}' is NOT a strong pass")
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for test in tests:
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check_pass(test)
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"""
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Project: Regex Version of the strip() Method
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Page 186
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"""
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import re
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tests = {
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"Hola": None,
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" Hola ": None,
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"bHola": "b",
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"\tHola,\tmundo\t": "\t",
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}
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def rgx_strip(string, char=" "):
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string = re.sub(r"^" + char + r"+", "", string)
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return re.sub(char + r"+$", "", string)
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for key, val in tests.items():
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if val is None:
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print(f"'{key}' -> '{rgx_strip(key)}'")
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else:
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print(f"'{key}' -> '{rgx_strip(key, val)}'")
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