[joeblau]

We used this in 2011 at the startup I worked for. 20 positive and 20 negative words was good enough to sell Twitter "sentiment analysis" to companies like Apple, Bentley, etc...

[vdfs]

Did you also forget to ignore case sensitivity back then?

[adzm]

the string is lowercased before the regex is run, fwiw

[trych]

Smart, that way they will never know when you're shouting at them.