String similarities and pattern matching

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  Error 123 on SystemA file not found error
  Error 123 on SystemB file not found error
  Error 123 on SystemC file not found error

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  Error 123 on $1 file not found error

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  Error 124 on User1:FileA no space left
  Error 124 on User2:FileB no space left
  Error 124 on User3:FileC no space left
 
  Error 124 on $1:$2 no space left

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