using sed to remove special chars and add spaces instead -


I have a block of text that I want to change: 

  ^ @ ^ ^ @ Jfits ^ @ ^ a ^ @ pin ^ @ ^ a ^ @ sadface ^ @ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ @ ^ @ TTI ^ a ^ a ^ @ vuln ^ @ ^ a ^ @ yes ^ @

I use all the ^ @ ^ A ^ with some spaces < Code> (and variations of those characters)

I tried: 

  cat-A file |          post-text "itemprop =" text "> 
 if You can include allowed characters, then you  
  sed -e's / [^ a-zA-Z0- 9] / / g ' 
 
 that  No  will replace everything in the set of alphanumeric characters with a place. 
 
 If you want to replace all 'non-printable' characters with spaces now You can use a character group [1] with 
 
  sed -e's / [^ [print:]] / / g.  
 
 sed Although some older versions may not support this syntax, but it is standardized in the Unix specification so that you do not feel guilty for using it. [2] 
 
 [1] 
 < P> [2]

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