Hydrology Help Required!!!

s=fliename;
pat='[0-9]*';
matches=regexp(s,pat,'match');
timedate=matches(1,3);timeh=matches(1,4);
ftime=strcat(timedate,timeh);
Msm10=0.343896689*sm85+0.284798502*sm86+0.087143753*sm87+0.126204028*sm40+0.157957028*sm41;
SM10=[sm85,sm86,sm87,sm40,sm41,ftime];
Msm10f=[Msm10,ftime];
AARes(j,:)=SM10;
AAResf(j,:)=Msm10f;

Dear Aulturists,

I am having trouble to understand this portion of my code. Can you please help me to find date and time from this variable file. Thanks in advance for your help. Have a nice day.

[Walter Roberson]

We are not given enough information to know which part is date and which part is time.