Revert 73074 and 73099 because Windows doesn't have POSIX
regular expressions.  We will add an OpenBSD implementation
and re-apply ASAP.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73138 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/utils/TableGen/TGLexer.h b/utils/TableGen/TGLexer.h
index fef10f0..ac3b984 100644
--- a/utils/TableGen/TGLexer.h
+++ b/utils/TableGen/TGLexer.h
@@ -46,7 +46,7 @@
     
     // !keywords.
     XConcat, XSRA, XSRL, XSHL, XStrConcat, XNameConcat, XCast, XSubst,
-    XForEach, XCar, XCdr, XNull, XIf, XRegMatch, XPatSubst,
+    XForEach, XCar, XCdr, XNull, XIf,
 
     // Integer value.
     IntVal,