UltraEdit, UltraCompare, UEStudio forums

Hello, Not a new UltraEdit user, but new to the forums . . . I'm building source files and would like to find a quick, easy way to increment numbers, thusly . . . I have [Source] (hundreds of them) and would like to make it [source1] ... [source2] .... [source3] ... and so on. Is there a way to do a...