Python Example – Group telephone number using the re module

Below Python example will use the re module to group the telephone number without the ‘-‘ sign and the period ‘.’.

Let’s say the phone number has been written in this manner.

123-456-7810.

The below python program will group the numbers by taking out both the ‘-‘ sign and ‘.’.

find = re.compile(r'\d+(?=\-|\.)')
match = find.findall('123-456-7810.')

The match array now stored the following numbers:-

['123', '456', '7810']

Next what if I just want to extract all the numbers without the ‘-‘ sign? Then use the below program.

find = re.compile(r'\d+(?!\d)')
match = find.findall('123-456-7810')

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