Extensão de arquivo Regex JavaScript
[
"foobar.a",
"foobar.txt",
"foobar.foobar1234"
].forEach( t =>
console.log(
t.match(/\.[0-9a-z]+$/i)[0]
)
)
Odd Ocelot
[
"foobar.a",
"foobar.txt",
"foobar.foobar1234"
].forEach( t =>
console.log(
t.match(/\.[0-9a-z]+$/i)[0]
)
)function getFile(filePath) {
return filePath.substr(filePath.lastIndexOf('\\') + 1).split('.')[0];
}
function getoutput() {
outputfile.value = getFile(inputfile.value);
extension.value = inputfile.value.split('.')[1];
}<input id='inputfile' type='file' name='inputfile' onChange='getoutput()'><br>
Output Filename <input id='outputfile' type='text' name='outputfile'><br>
Extension <input id='extension' type='text' name='extension'>