111 lines
2.4 KiB
Python
111 lines
2.4 KiB
Python
try:
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import ure as re
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except ImportError:
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try:
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import re
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except ImportError:
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print("SKIP")
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raise SystemExit
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r = re.compile(".+")
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m = r.match("abc")
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print(m.group(0))
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try:
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m.group(1)
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except IndexError:
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print("IndexError")
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# conversion of re and match to string
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str(r)
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str(m)
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r = re.compile("(.+)1")
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m = r.match("xyz781")
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print(m.group(0))
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print(m.group(1))
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try:
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m.group(2)
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except IndexError:
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print("IndexError")
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r = re.compile("[a-cu-z]")
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m = r.match("a")
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print(m.group(0))
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m = r.match("z")
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print(m.group(0))
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m = r.match("d")
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print(m)
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m = r.match("A")
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print(m)
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print("===")
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r = re.compile("[^a-cu-z]")
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m = r.match("a")
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print(m)
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m = r.match("z")
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print(m)
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m = r.match("d")
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print(m.group(0))
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m = r.match("A")
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print(m.group(0))
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print("===")
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# '-' character within character class block
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print(re.match("[-a]+", "-a]d").group(0))
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print(re.match("[a-]+", "-a]d").group(0))
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print("===")
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r = re.compile("o+")
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m = r.search("foobar")
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print(m.group(0))
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try:
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m.group(1)
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except IndexError:
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print("IndexError")
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m = re.match(".*", "foo")
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print(m.group(0))
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m = re.search("w.r", "hello world")
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print(m.group(0))
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m = re.match('a+?', 'ab'); print(m.group(0))
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m = re.match('a*?', 'ab'); print(m.group(0))
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m = re.match('^ab$', 'ab'); print(m.group(0))
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m = re.match('a|b', 'b'); print(m.group(0))
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m = re.match('a|b|c', 'c'); print(m.group(0))
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# Case where anchors fail to match
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r = re.compile("^b|b$")
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m = r.search("abc")
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print(m)
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try:
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re.compile("*")
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except:
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print("Caught invalid regex")
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# bytes objects
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m = re.match(rb'a+?', b'ab'); print(m.group(0))
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print("===")
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# escaping
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m = re.match(r'a\.c', 'a.c'); print(m.group(0) if m else '')
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m = re.match(r'a\.b', 'abc'); print(m is None)
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m = re.match(r'a\.b', 'a\\bc'); print(m is None)
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m = re.match(r'[a\-z]', 'abc'); print(m.group(0))
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m = re.match(r'[.\]]*', '.].]a'); print(m.group(0))
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m = re.match(r'[.\]+]*', '.]+.]a'); print(m.group(0))
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m = re.match(r'[a-f0-9x\-yz]*', 'abxcd1-23'); print(m.group(0))
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m = re.match(r'[a\\b]*', 'a\\aa\\bb\\bbab'); print(m.group(0))
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m = re.search(r'[a\-z]', '-'); print(m.group(0))
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m = re.search(r'[a\-z]', 'f'); print(m is None)
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m = re.search(r'[a\]z]', 'a'); print(m.group(0))
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print(re.compile(r'[-a]').split('foo-bar'))
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print(re.compile(r'[a-]').split('foo-bar'))
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print(re.compile(r'[ax\-]').split('foo-bar'))
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print(re.compile(r'[a\-x]').split('foo-bar'))
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print(re.compile(r'[\-ax]').split('foo-bar'))
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print("===")
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