Working with expressions
Please note that the execution time of a regular expression is 5 seconds.
findall() | similar()
LEGEND:
! - Required parameters
Search in a string using a regular expression
findall(reg, str, index) - to find all group matches in a string
Parameters:
! reg - regular expression
! str - string in which search is performed
index - index of found result. It starts at zero. That means the first found result has index 0.
String comparison with typo tolerance
similar(str1, str2) - compares two strings allowing for typos. Returns True if the strings differ by less than 30%.
Example
Let’s look at an example of searching for a string using a specified regular expression:
The result is the following:
Example of using the typo-tolerant string comparison function:
In the start block, we add our riddle in the message section. Then, we also add the answer to our riddle in the calculator using the variable:
riddle = 'cold'.
In the second block, we enter the following expression into the calculator:
response = if(similar(riddle, question) == True, "super!", "Nooo! it's a #{riddle}").
Don’t forget to add #{response} to the message section.
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