In CMS pipelines, the FIND stage works like the XEDIT command.
Space characters are "wildcards," and there can be only a single
space between the command and the string or the extra spaces will
act as wildcards.
In njPipes however, any spaces between the command and the string
are stripped out before the stage program sees the string.
Consequently it is impossible to search for strings with leading
wildcards with FIND.
The workaround is to use the STRFIND stage that uses a delimited
string which can have leading space characters.
Incidentally, both of these stages have been updated for the next