a string problem

[Rune Strand]

micklee74 at hotmail.com wrote:
> hi
>
> if i have a some lines  like this
> a ) "here is first string"
> b ) "here is string2"
> c ) "here is string3"
>
> When i specify i only want to print the lines that contains "string" ie
> the first line and not the others. If i use re module, how to compile
> the expression to do this? I tried the re module and using simple
> search() and everytime it gives me all the 3 lines that have "string"
> in it, whereas i only need line 1.
> If re module is not needed, how can i use string manipulation to do
> this? thanks

If this is a RL-situation, 
if mystring.endswith('string') will do