Question

I am looking to match e-mail addresses in a text document for which I am writing a regex. I have come up with something like this for starters –

((?:[a-zA-Z]+[\w+\.\-]+[\-a-zA-Z]+))[ ]*((?:@|at))[ ]*(?:[a-zA-Z\.]+)

I want to make sure that the end of the e-mail address is a ‘edu’ or ‘com’. How do I do this? I am using Python.

Some sample e-mail addresses from my text document

alice @ so.edu
alice at sm.so.edu
alice @ sm.com

Edit –

I want to make a change to this regex ONLY. My regex fits a few other examples in my data.

Answer 1

((?:[a-zA-Z]+[\w+\.\-]+[\-a-zA-Z]+))[ ]*((?:@|at))[ ]*(?:[a-zA-Z\.]+)\.(com|edu)

EDIT: For a “dot” instead of “.”:

((?:[a-zA-Z]+[\w+\.\-]+[\-a-zA-Z]+))[ ]*((?:@|at))[ ]*(?:[a-zA-Z\.]+) *(\.|dot) *(com|edu)