@ Matches any alphabetic character
. (Period) Matches any non-alphanumeric character
ROOF.TR@@@ finds ROOF-TRUSS
* (Asterisk) Matches any text string and can be placed anywhere in the search string
? Matches any single alphanumeric character
~ (Tilde) Matches anything except
~*DI* matches all strings that do not contain DI
[] Matches any one of the characters enclosed
[XY]C matches both XC and YC
[~] Matches any character that is not enclosed
[~XY]C matches AC but not XC or YC
[-] Matches a range for a single character
[H-L]C matches HC, IC, JC, and so on but not MC
` (Reverse quote) Reads the next character
`*XY matches *XY

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