28 lines
1.1 KiB
Python
28 lines
1.1 KiB
Python
import re
|
|
|
|
|
|
def between_markers(text: str, begin: str, end: str) -> str:
|
|
"""
|
|
returns substring between two given markers
|
|
"""
|
|
if text.count(begin) == 0:
|
|
text = begin+text
|
|
if text.count(end) == 0:
|
|
text = text+end
|
|
found = re.findall(r"{}(.*){}".format(re.escape(begin), re.escape(end)), text)
|
|
return found[0] if len(found) > 0 else ""
|
|
|
|
|
|
if __name__ == '__main__':
|
|
print('Example:')
|
|
print(between_markers('What is >apple<', '>', '<'))
|
|
|
|
# These "asserts" are used for self-checking and not for testing
|
|
assert between_markers('What is >apple<', '>', '<') == "apple", "One sym"
|
|
assert between_markers("<head><title>My new site</title></head>",
|
|
"<title>", "</title>") == "My new site", "HTML"
|
|
assert between_markers('No[/b] hi', '[b]', '[/b]') == 'No', 'No opened'
|
|
assert between_markers('No [b]hi', '[b]', '[/b]') == 'hi', 'No close'
|
|
assert between_markers('No hi', '[b]', '[/b]') == 'No hi', 'No markers at all'
|
|
assert between_markers('No <hi>', '>', '<') == '', 'Wrong direction'
|
|
print('Wow, you are doing pretty good. Time to check it!') |