X-Git-Url: https://harishankar.org/repos/?p=evpf.git;a=blobdiff_plain;f=src%2Fmain.rs;h=d44387cc6cdf216f1528fa745ba8f43f18d26b8e;hp=c5dd52e9f7d2d1d814c53d6a6202926279078d49;hb=9256309493832e5c88f8f019c2603807b8bf74d8;hpb=a6a5b2946a176681ca6c0621b041a8bc3335a926

diff --git a/src/main.rs b/src/main.rs
index c5dd52e..d44387c 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -261,7 +261,7 @@ fn main() {
 	// collect the command line arguments - if any 
 	let args : Vec<String> = env::args().collect ();
 	// regular expression to match a number 
-	let match_num = Regex::new (r"^\d+?\.*?\d*?$").unwrap ();
+	let match_num = Regex::new (r"^\-?\d+?\.*?\d*?$").unwrap ();
 	
 	if args.len () > 1 {
 	// if arguments are provided run in command line mode - i.e. print the