Rename regexp methods to getters.

samples/markdown/inline_parser.dart

Index: samples/markdown/inline_parser.dart
diff --git a/samples/markdown/inline_parser.dart b/samples/markdown/inline_parser.dart
index 3a3fbd3aa13ac3bf61139a487002798b4657f62b..45632f03ccbb6aab811ab57f33d6b8ada99a31b2 100644
--- a/samples/markdown/inline_parser.dart
+++ b/samples/markdown/inline_parser.dart
@@ -144,7 +144,7 @@ class InlineSyntax {
 
   bool tryMatch(InlineParser parser) {
     final startMatch = pattern.firstMatch(parser.currentSource);
-    if ((startMatch != null) && (startMatch.start() == 0)) {
+    if ((startMatch != null) && (startMatch.start == 0)) {
       // Write any existing plain text up to this point.
       parser.writeText();
 
@@ -342,7 +342,7 @@ class TagState {
   /// pattern.
   bool tryMatch(InlineParser parser) {
     Match endMatch = syntax.endPattern.firstMatch(parser.currentSource);
-    if ((endMatch != null) && (endMatch.start() == 0)) {
+    if ((endMatch != null) && (endMatch.start == 0)) {
       // Close the tag.
       close(parser, endMatch);
       return true;