The table below shows the actual text string copied into a string variable in the left column.

The right column shows what the pasted text will look like.

The variable b=5 was set first.

strText = Pasted Value
"a and b and c" a and b and c
"""a and b and c""" "a and b and c"
"a and " & "b" & " and c" a and b and c
"a and " & b & " and c" a and 5 and c
"a and " & "" & b & "" & " and c" a and 5 and c
"a and " & """ & b & """ & " and c" a and " & b & " and c
"a and " & """b""" & " and c" a and "b" and c
"a and " & """" & b & """" & " and c" a and "5" and c