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import re
a ='''a is b because c'
re.search (r'* c. $', A)I get an error like this when I want to judge by the number of characters from the back in a regular expression. What is wrong?
error: nothing to repeat at position 0-
Answer # 1
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In regular expressions
*Means "0 or more repetitions of the previous pattern".You wrote
* c. $To*I get the error presented because there is nothing just before.after,
..Is a metacharacter that means "any single character" (whether or not to include line breaks depends on the setting), so if you want to specify the dot itself\.Please write.