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regex/regex.py

@@ -0,0 +1,68 @@
+import re
+import unittest
+import logging
+
+pattern_char_only = re.compile('^[A-Z][a-z]+$')
+pattern_plz = re.compile('^[0-9]{5}$')
+pattern_plz2 = re.compile('^\d{5}$')
+pattern_quote= re.compile(':')
+pattern_tab = re.compile(r'\t')
+pattern_simpson = re.compile('Simpson')
+
+logging.basicConfig( format='%(asctime)-15s [%(levelname)s] %(funcName)s: %(message)s', level=logging.DEBUG)
+class TestRegEgEx(unittest.TestCase):
+  def test_match(self):
+    m = pattern_char_only.match('Olli')
+    
+    logging.debug(f'm={m}')
+    self.assertIsNotNone(m)
+
+  def test_findall(self):
+    m = pattern_char_only.findall('Olli')
+    logging.debug(f'm={m}')
+    self.assertIsNotNone(m)
+
+  def test_plz(self):
+      patterns = [pattern_plz,pattern_plz2]
+      plz = ['42275','5600']
+
+      for pattern in patterns:
+        m = pattern.findall(plz[0])
+        logging.debug(f'm={m}')
+        self.assertNotEqual('',m[0])
+        m = pattern.findall(plz[1])
+        logging.debug(f'm={m}')
+        self.assertEqual([],m)
+
+
+  def test_search(self):
+    m = pattern_char_only.search('Olli')
+    logging.debug(f'm={m}')
+    self.assertIsNotNone(m)
+
+    m = pattern_char_only.search('123456')
+    logging.debug(f'm={m}')
+    self.assertIsNone(m)
+
+  def test_split(self):
+    m = pattern_quote.split('Die:Würde:des:Menschen:ist:unantastbar.')
+    logging.debug(f'm={m}')
+    self.assertIsNotNone(m)
+
+  def test_sub(self):
+    m  = pattern_tab.sub(' ','Satz\tmit\tTabulator.')
+    logging.debug(f'm={m}')
+
+  def test_finditer(self):
+    m = pattern_simpson.finditer('Homer Simpson, Marge Simpson, Bart Simpson, Lisa Simpson, Maggie Simpson')
+    logging.debug(f'm={m}')
+
+    for name in m:
+      logging.debug(f'Name={name}')
+
+
+
+
+if __name__ == '__main__':
+    unittest.main()
+