match more printable characters in FUNCTION

Excluded open paren, (, due to ambiguity with term. Excluded single and double quote due to ragel machine compilation hanging. Excluded space due to leading indentation feature (refs #36). refs #64
OpenBEL · May 17, 2016 · 31fd6e2 · 31fd6e2
1 parent cb0ac1d
commit 31fd6e2
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/bel_parser/parsers/common/common.rl b/lib/bel_parser/parsers/common/common.rl
@@ -65,7 +65,7 @@ machine bel;
     ;
 
   FUNCTION =
-    [a-zA-Z0-9_]+
+    (print - (' ' | "'" | '"' | '('))+
     ;
 }%%
 =end