strindex - search position of a character string in an other string.
strindex searches indexes where str2(i) is found in str1
for each k it exist a i shuch that part(str1,ind(k)+(0:length(str2(i))-1)) is the same string than str2(i)
When str2 is a vector and str2
k=strindex('SCI/demos/scicos','/')
k=strindex('SCI/demos/scicos','SCI/')
k=strindex('SCI/demos/scicos','!')
k=strindex('aaaaa','aa')
k=strindex('SCI/demos/scicos',['SCI','sci'])