Enable Javascript in your browser and then refresh this page, for a much enhanced experience.
First solution in Clear category for Between Markers by swanand.sabhapatikar
def between_markers(text: str, begin: str, end: str) -> str:
"""
returns substring between two given markers
"""
#checking if BEGIN and END are in TEX or not.
#case 1 : BEGIN and END are present.
if begin in text and end in text :
return text[text.index(begin)+len(begin):text.index(end)]
#case 2 : BEGIN present and END absent.
if begin in text and end not in text :
return text[text.index(begin)+len(begin): ]
#case 3 : BEGIN absent and END present.
if begin not in text and end in text :
return text[ :text.index(end)]
#case 4 : BEGIN and END are absent .
if begin not in text and end not in text :
return text
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("My new site",
"", "") == "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 ', '>', '<') == '', 'Wrong direction'
print('Wow, you are doing pretty good. Time to check it!')
March 13, 2021
