Minor simplification to number regex.

If \d+\.?\d* doesn't match, then there are no digits before the "." so no need to match \d* in the alternative pattern.
rpavez · Apr 15, 2012 · 4ffe6b4 · 4ffe6b4
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commit 4ffe6b4
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diff --git a/d3.v2.js b/d3.v2.js
@@ -1132,7 +1132,7 @@ d3.interpolateObject = function(a, b) {
   };
 }
 
-var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\d*\.?\d+)(?:[eE][-+]?\d+)?/g;
+var d3_interpolate_number = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g;
 
 function d3_interpolateByName(n) {
   return n == "transform"