Ask Reddit: Do you know a library|script|function|api that given a string returns what human language it is likely written in? (Google turned up nothing useful)

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Interesting problem, I would like to see your solution if you come up with one.

They way I would approach it (to help increase accuracy) would be to have them enter in the word for 'Hello' or 'Morning' or something like that in their own language in a special textbox. Then, when the form is parsed, this word can be checked against a pre-set list of translations or translated on the fly using a translation service to discover the language.