get-images-md
get all images node in markdown
var getImg = var input = `![a](http://leeon.im/image1)![b](http://leeon.im/image2)![c](http://leeon.im/image3)`var srcList = console/**[ 'http://leeon.im/image1', 'http://leeon.im/image2', 'http://leeon.im/image3']**/
get