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2560
regex/Vornamen_Wuppertal_2020.csv
Normal file
2560
regex/Vornamen_Wuppertal_2020.csv
Normal file
File diff suppressed because it is too large
Load Diff
@@ -5,15 +5,15 @@ def print_vornamen_simple(vornamen):
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for vorname in vornamen:
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print(vorname)
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def print_vornamen_filtered(vornameni,regex):
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def print_vornamen_filtered(vornamen,regex):
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pattern = re.compile(regex)
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for vorname in vornamen:
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r = pattern.search(vorname)
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# print(f"{type(r)}: {r}")
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# s = re.findall(regex,vorname)
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# if s[0] != '':
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if pattern.match(vorname) != None:
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print(vorname)
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is_match = pattern.match(vorname).span()[1] >0
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if is_match:
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print(f'{is_match}: {vorname}')
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vornamen = read_vornamen('./Vornamen_Wuppertal_2020.csv')
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@@ -3,25 +3,37 @@ import unittest
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import logging
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pattern_char_only = re.compile('^[A-Z][a-z]+$')
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pattern_digits_only = re.compile(r'\d+')
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pattern_no_digits = re.compile(r'\D+')
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pattern_plz = re.compile('^[0-9]{5}$')
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pattern_plz2 = re.compile('^\d{5}$')
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pattern_quote= re.compile(':')
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pattern_tab = re.compile(r'\t')
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pattern_simpson = re.compile('Simpson')
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pattern_simple = re.compile('O*')
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logging.basicConfig( format='%(asctime)-15s [%(levelname)s] %(funcName)s: %(message)s', level=logging.DEBUG)
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# Unittest für die Demonstration von regular expressions (re)
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class TestRegEgEx(unittest.TestCase):
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# match: Passt der String auf die re
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def test_match(self):
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m = pattern_char_only.match('Olli')
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logging.debug(f'm={m}')
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self.assertIsNotNone(m)
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logging.debug(f'm={m}')
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self.assertTrue(m.span()[1] >0)
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# Sucht alle Vorkommnisse der re im String
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def test_findall(self):
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s = '5 Äpfel, 10 Bananen, 42 Erdbeeren'
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logging.debug(f' nur Ziffern: {pattern_digits_only.findall(s)}')
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logging.debug(f' keine Ziffern: {pattern_no_digits.findall(s)}')
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m = pattern_char_only.findall('Olli')
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logging.debug(f'm={m}')
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self.assertIsNotNone(m)
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# Prüft die Gültigkeit einer Postleitzahl ('^\d{5}$' genau 5 Ziffern)
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def test_plz(self):
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patterns = [pattern_plz,pattern_plz2]
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plz = ['42275','5600']
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@@ -35,30 +47,51 @@ class TestRegEgEx(unittest.TestCase):
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self.assertEqual([],m)
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# Test für Suche
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def test_search(self):
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m = pattern_char_only.search('Olli')
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logging.debug(f'm={m}')
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#String passt auf die regular expression
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self.assertIsNotNone(m)
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m = pattern_char_only.search('123456')
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logging.debug(f'm={m}')
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#Dieser String passt nicht.
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self.assertIsNone(m)
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# Test zum Splitting (der Satz wird am ':' in die Worte zerlegt)
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def test_split(self):
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m = pattern_quote.split('Die:Würde:des:Menschen:ist:unantastbar.')
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m = pattern_quote.split(' Die:Würde:des:Menschen:ist:unantastbar.')
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logging.debug(f'm={m}')
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self.assertIsNotNone(m)
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#Die einzelnen Worte ausgeben
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for word in m:
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logging.debug(f' Wort: {word}')
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# Test für Ersetzung (substitution von Tab mit Space)
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def test_sub(self):
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m = pattern_tab.sub(' ','Satz\tmit\tTabulator.')
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logging.debug(f'm={m}')
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# Test für einfache regular Expression ('O*')
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def test_simple_re(self):
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m = pattern_simple.search('Olli')
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logging.debug(f'm={m.span()}')
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self.assertTrue(m.end() > 0)
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m = pattern_simple.search('Luana')
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logging.debug(f'm={m.span()}')
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self.assertFalse(m.end() >0)
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# Test für den Iterator ('*Simpson')
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def test_finditer(self):
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m = pattern_simpson.finditer('Homer Simpson, Marge Simpson, Bart Simpson, Lisa Simpson, Maggie Simpson')
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logging.debug(f'm={m}')
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# Die einzelnen gefunden Teilstrings ausgeben.
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for name in m:
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logging.debug(f'Name={name}')
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logging.debug(f'Name={name},Start bei: {name.start()}')
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