beginnings of regular expression library.
will move elsewhere when more complete.
parses, does not execute.
no character classes yet.
R=rsc
DELTA=522 (522 added, 0 deleted, 0 changed)
OCL=16863
CL=16874
diff --git a/usr/r/regexp/main.go b/usr/r/regexp/main.go
new file mode 100644
index 0000000..d723d87
--- /dev/null
+++ b/usr/r/regexp/main.go
@@ -0,0 +1,22 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+ "os";
+ "regexp";
+)
+
+func main() {
+ str := "a*b*c*";
+ if sys.argc() > 1 {
+ str = sys.argv(1);
+ }
+ re, err := regexp.Compile(str);
+ if err != nil {
+ print("error: ", err.String(), "\n");
+ sys.exit(1);
+ }
+}
