regex - Check if a string has atleast 3 alpha numeric characters in python -


how find if string has atleast 3 alpha numeric characters in python. i'm using regex "^.*[a-za-z0-9]{3, }.*$", throws error message everytime.

my example string: a&b#cdg1. p

lease let me know.

you can try this:

len(re.sub('\w', '', "a&b#cdg1"))

as continuous string @ least 3 alpha numeric characters, can use regex pattern

'[a-za-z0-9]{3,}'

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