Recognising barcode?

[Vertyg0]

Hi, How can i recognise/detect barcode type ? I see alot of posts about creating barcode image and so on but I havent seen any code that recognise barcode type, any help? Thanks.

[Gary Thom]

Usually the barcode reader converts the barcode into either keypresses or serial (RS232) data. Gary Flickr Photos[^]

[Vertyg0]

Yes but how to recognise string that i got from barcode reader lets say we have string that says: 0075678164125, but what type of barcode is this is it code 39 ean or upc ... ?