Re-land "Deprecate WhitelistingTextInputFormatter and BlacklistingTextInputFormatter (#59120)" (#59876) This relands #59120, which was reverted in #59870.

diff --git a/dev/bots/analyze.dart b/dev/bots/analyze.dart
index b0e9353..d4c788b 100644
--- a/dev/bots/analyze.dart
+++ b/dev/bots/analyze.dart

@@ -135,7 +135,7 @@
 final RegExp _findDeprecationPattern = RegExp(r'@[Dd]eprecated');
 final RegExp _deprecationPattern1 = RegExp(r'^( *)@Deprecated\($'); // ignore: flutter_deprecation_syntax (see analyze.dart)
 final RegExp _deprecationPattern2 = RegExp(r"^ *'(.+) '$");
-final RegExp _deprecationPattern3 = RegExp(r"^ *'This feature was deprecated after v([0-9]+)\.([0-9]+)\.([0-9]+)\.'$");
+final RegExp _deprecationPattern3 = RegExp(r"^ *'This feature was deprecated after v([0-9]+)\.([0-9]+)\.([0-9]+)(\-[0-9]+\.[0-9]+\.pre)?\.'$");
 final RegExp _deprecationPattern4 = RegExp(r'^ *\)$');
 
 /// Some deprecation notices are special, for example they're used to annotate members that
@@ -182,7 +182,7 @@
           if (message == null) {
             final String firstChar = String.fromCharCode(match2[1].runes.first);
             if (firstChar.toUpperCase() != firstChar)
-              throw 'Deprecation notice should be a grammatically correct sentence and start with a capital letter; see style guide.';
+              throw 'Deprecation notice should be a grammatically correct sentence and start with a capital letter; see style guide: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo';
           }
           message = match2[1];
           lineNumber += 1;
@@ -190,6 +190,13 @@
             throw 'Incomplete deprecation notice.';
           match3 = _deprecationPattern3.firstMatch(lines[lineNumber]);
         } while (match3 == null);
+        final int v1 = int.parse(match3[1]);
+        final int v2 = int.parse(match3[2]);
+        final bool hasV4 = match3[4] != null;
+        if (v1 > 1 || (v1 == 1 && v2 >= 20)) {
+          if (!hasV4)
+            throw 'Deprecation notice does not accurately indicate a dev branch version number; please see https://flutter.dev/docs/development/tools/sdk/releases to find the latest dev build version number.';
+        }
         if (!message.endsWith('.') && !message.endsWith('!') && !message.endsWith('?'))
           throw 'Deprecation notice should be a grammatically correct sentence and end with a period.';
         if (!lines[lineNumber].startsWith("$indent  '"))