Write a simple regular expression to match an IP address,
e-mail address, city-state-zipcode combination.
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Answer Posted / tclgeek
{(^[1-9]|^[0-9][0-9]|^1[0-9][0-9]|^2[0-5][0-5])\.([0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-5][0-5])\.([0-9]|[0-9][0-9]|1[0-9][0-9]|2[0-5][0-5])\.([0-9]$|[0-9][0-9]$|1[0-9][0-9]$|2[0-5][0-4]$)}
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