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Showing content from https://github.com/mrabarnett/mrab-regex/issues/106 below:

* operator not working correctly with sub() · Issue #106 · mrabarnett/mrab-regex · GitHub

>>> regex.sub('.*', 'x', 'test')
u'xx' <--- This is wrong

>>> regex.sub('.+', 'x', 'test')
u'x'

>>> re.sub('.*', 'x', 'test')
u'x' <--- This is correct

>>> regex.sub('.*?', '|', 'test')
u'|||||||||' <--- This is wrong

>>> re.sub('.*?', '|', 'test')
u'|t|e|s|t|' <--- This is correct

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