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pgeraghty/gist:4754245

Last active December 12, 2015 09:49
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Finding emails and URLs in MySQL columns
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gistfile1.rb
# contains email address
where("column_name REGEXP '[a-zA-Z0-9][a-zA-Z0-9._-]*[a-zA-Z0-9]@[a-zA-Z0-9][a-zA-Z0-9._-]*[a-zA-Z0-9]\.[a-zA-Z]{2,4}'").count
# contains url
where("column_name REGEXP ?", "(https?://|www\\.)[\.A-Za-z0-9\-]+\\.[a-zA-Z]{2,4}").count
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