[Tutor] Need help on regular expresions

[Alan Gauld]

On 06/11/2021 16:11, Manprit Singh wrote:
> Dear Richard,
> 
> I know this can be done with string methods, I was just willing to know if
> this can be done using re in an easy way or not .

For some definition of easy...

if ((len(s) == 10) and
    (len(re.findall(r'\d',s)) == 4) and
    (len(re.findall(r'[a-zA-Z]',s)) == 5) and
     '_' in s):
	print("Success")
else: print("Fail!")

But I'm not sure that's any easier than using the plain string methods.

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Alan G
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