feat: ?<Symbol_Math> ( Fixes #203 )

Author: StartAutomating

docs/README.md

@@ -32,7 +32,7 @@ Once you understand some basics of that syntax, regular expressions become a lot
 3. A Regex can have comments! ( # Like this in .NET  ( or like (?#this comment) in ECMAScript ) ).
 4. You don't have to do it all in one expression! 
 
-Irregular comes with 145 useful [named expressions](SavedPatterns.md), and lets you create more.
+Irregular comes with 146 useful [named expressions](SavedPatterns.md), and lets you create more.
 
 To see the expressions that ship with Irregular, run: