Stoppp using trippple consonants

tests/corelib/string_replace_all_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 import "package:expect/expect.dart";
 
 testReplaceAll() {
   Expect.equals("aXXcaXXdae", "abcabdae".replaceAll("b", "XX"));
 
-  // Test with the replaced string at the begining.
+  // Test with the replaced string at the beginning.
   Expect.equals("XXbcXXbdXXe", "abcabdae".replaceAll("a", "XX"));
 
   // Test with the replaced string at the end.
   Expect.equals("abcabdaXX", "abcabdae".replaceAll("e", "XX"));
 
   // Test when there are no occurence of the string to replace.
   Expect.equals("abcabdae", "abcabdae".replaceAll("f", "XX"));
 
   // Test when the string to change is the empty string.
   Expect.equals("", "".replaceAll("from", "to"));
@@ skipping 29 matching lines @@
   Expect.equals(r"$$", "..".replaceAll(".", r"$"));
   Expect.equals(r"[$$$$]", "[..]".replaceAll(".", r"$$"));
   Expect.equals(r"[$]", "[..]".replaceAll("..", r"$"));
   Expect.equals(r"$$", r"\\".replaceAll(r"\", r"$"));
 }
 
 testReplaceAllMapped() {
   String mark(Match m) => "[${m[0]}]";
   Expect.equals("a[b]ca[b]dae", "abcabdae".replaceAllMapped("b", mark));
 
-  // Test with the replaced string at the begining.
+  // Test with the replaced string at the beginning.
   Expect.equals("[a]bc[a]bd[a]e", "abcabdae".replaceAllMapped("a", mark));
 
   // Test with the replaced string at the end.
   Expect.equals("abcabda[e]", "abcabdae".replaceAllMapped("e", mark));
 
   // Test when there are no occurence of the string to replace.
   Expect.equals("abcabdae", "abcabdae".replaceAllMapped("f", mark));
 
   // Test when the string to change is the empty string.
   Expect.equals("", "".replaceAllMapped("from", mark));
@@ skipping 16 matching lines @@
   Expect.equals("[]A[]B[]C[]", "ABC".replaceAllMapped("", mark));
 }
 
 testSplitMapJoin() {
   String mark(Match m) => "[${m[0]}]";
   String wrap(String s) => "<${s}>";
 
   Expect.equals("<a>[b]<ca>[b]<dae>",
       "abcabdae".splitMapJoin("b", onMatch: mark, onNonMatch: wrap));
 
-  // Test with the replaced string at the begining.
+  // Test with the replaced string at the beginning.
   Expect.equals("<>[a]<bc>[a]<bd>[a]<e>",
       "abcabdae".splitMapJoin("a", onMatch: mark, onNonMatch: wrap));
 
   // Test with the replaced string at the end.
   Expect.equals("<abcabda>[e]<>",
       "abcabdae".splitMapJoin("e", onMatch: mark, onNonMatch: wrap));
 
   // Test when there are no occurence of the string to replace.
   Expect.equals("<abcabdae>",
       "abcabdae".splitMapJoin("f", onMatch: mark, onNonMatch: wrap));
@@ skipping 23 matching lines @@
   // Test with only onNonMatch
   Expect.equals(
       "<>a<bc>a<bd>a<e>", "abcabdae".splitMapJoin("a", onNonMatch: wrap));
 }
 
 main() {
   testReplaceAll();
   testReplaceAllMapped();
   testSplitMapJoin();
 }