Remove blanks 1d string

hi, 
is there a simple way to remove blank spaces from a 1d string
eg:- 
help forum is awesome     -to-      helpforumisawesome
many thanks for your ongoing help.

rather oddly i can't the computer i use isn't on the web and this computer doesn't have LV on it.
I'm using a 1D string, looking through it for spaces and trying to replace any space with nothing
turning say:-
thank you for your reply
into
thankyouforyourreply
I thought using the above vi might work, but it doesn't seem to want to accept a blank string constant as something to search for, it works for any other letter happily.

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