How to input BLANK in expression? Thx
hello,everyone. thank u for check my problem 
I don't know how to input a BLANK in the expression.I wanna congstrain an actor's image. the image's name is "TypeID 1","TypeID 2","TypeID 3" and so on.So I need to constrain the actor's image to "TypeID".."BLANK".."No.Attribute"..".png"(e.g. if its image is TypeID 3,I should make this expression like "TypeID".."BLANK".."3"..".png"),dose anybody know how to express the BLANK.
Thank u in advance

I don't know how to input a BLANK in the expression.I wanna congstrain an actor's image. the image's name is "TypeID 1","TypeID 2","TypeID 3" and so on.So I need to constrain the actor's image to "TypeID".."BLANK".."No.Attribute"..".png"(e.g. if its image is TypeID 3,I should make this expression like "TypeID".."BLANK".."3"..".png"),dose anybody know how to express the BLANK.
Thank u in advance

Comments
Edit: TSB beat me to it. :-)
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http://davidgriffinapps.co.uk/
""You are in a maze of twisty passages, all alike." - Zork temp domain http://spidergriffin.wix.com/alphaghostapps
example: "TypeID".." 3"..".png" (i.e putting the space with the number)
""You are in a maze of twisty passages, all alike." - Zork temp domain http://spidergriffin.wix.com/alphaghostapps
if anyone else have this problem,try the method below, it do work:)
make a game attribute (text)
in the attribute click it and rather then type something just hit the space bar
then use that for your space.
cheers