function URLReplacer(str){
let match = str.match(/((https?|ftp|file)://[-A-Z0-9+&@#/%?=~_|!:,.;]*[-A-Z0-9+&@#/%=~_|])/ig);
let final=str;
match.map(url=>{
final=final.replace(url,"<a href=""+url+"" target="_BLANK">"+url+"</a>")
})
return final;
}