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Check file extension w/ JavaScript
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| function checkFile(file) { | |
| var extension = file.substr((file.lastIndexOf('.') +1)); | |
| if (!/(pdf|zip|doc)$/ig.test(extension)) { | |
| alert("Invalid file type: "+extension+". Please use DOC, PDF or Zip."); | |
| $("#file").val(""); | |
| } | |
| } |
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thank you, but, I can set dynamic extension in this function? because you used regular expressions