Some Field   : some value
Another Field: 1234
Different One: 5678
Yet Another  : foo
.
.
.


##</code><code>##

something   number1   number2   word
some value    1234    5678       foo
some else     4321    8765       bar

##</code><code>##

while(<>){
    if ( /Some Field/ ... /Yet Another/ ) {
        push (@array, $_);
        #do something with the info...
    }
}