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A comment on I don't know Regex. Parent comment

Re:I don't know Regex by simpleigh on Tuesday September 03, 2013 @04:33AM (#6319757)
... and ignoring case obviously gets us down here:

    ^[a-z]([a-z]+|\d+)@[a-z]+\.[a-z]+$
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Re:I don't know Regex by irahul on Tuesday September 03, 2013 @04:46AM (#6319795)
Yes. If you are going for equivalent, this would be it:

  pat = re.compile(r'^ [a-z] [a-z0-9]* @ [a-z]+ \. [a-z]+ $', re.I | re.X)
I took a few liberties in crafting the reduction.
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