diff --git a/src/commands/showCommitSearch.ts b/src/commands/showCommitSearch.ts
index e367f62..9185803 100644
--- a/src/commands/showCommitSearch.ts
+++ b/src/commands/showCommitSearch.ts
@@ -9,9 +9,11 @@ import { Messages } from '../messages';
 import { CommandQuickPickItem, CommitsQuickPick } from '../quickPicks';
 import { ShowQuickCommitDetailsCommandArgs } from './showQuickCommitDetails';
 
-const searchByRegex = /^([@:#])/;
+const searchByRegex = /^([@~=:#])/;
 const searchByMap = new Map<string, GitRepoSearchBy>([
     ['@', GitRepoSearchBy.Author],
+    ['~', GitRepoSearchBy.Changes],
+    ['=', GitRepoSearchBy.ChangesOccurrences],
     [':', GitRepoSearchBy.Files],
     ['#', GitRepoSearchBy.Sha]
 ]);
@@ -85,6 +87,16 @@ export class ShowCommitSearchCommand extends ActiveEditorCachedCommand {
                 placeHolder = `commits with author matching '${args.search}'`;
                 break;
 
+            case GitRepoSearchBy.Changes:
+                originalSearch = `~${args.search}`;
+                placeHolder = `commits with changes matching '${args.search}'`;
+                break;
+
+            case GitRepoSearchBy.ChangesOccurrences:
+                originalSearch = `=${args.search}`;
+                placeHolder = `commits with changes (new occurrences) matching '${args.search}'`;
+                break;
+
             case GitRepoSearchBy.Files:
                 originalSearch = `:${args.search}`;
                 placeHolder = `commits with files matching '${args.search}'`;
diff --git a/src/gitService.ts b/src/gitService.ts
index 62b0735..a70ef64 100644
--- a/src/gitService.ts
+++ b/src/gitService.ts
@@ -58,6 +58,8 @@ enum RemoveCacheReason {
 
 export enum GitRepoSearchBy {
     Author = 'author',
+    Changes = 'changes',
+    ChangesOccurrences = 'changes-occurrences',
     Files = 'files',
     Message = 'message',
     Sha = 'sha'
@@ -801,6 +803,12 @@ export class GitService extends Disposable {
             case GitRepoSearchBy.Author:
                 searchArgs = [`--author=${search}`];
                 break;
+            case GitRepoSearchBy.Changes:
+                searchArgs = [`-G${search}`];
+                break;
+            case GitRepoSearchBy.ChangesOccurrences:
+                searchArgs = [`-S${search}`, '--pickaxe-regex'];
+                break;
             case GitRepoSearchBy.Files:
                 searchArgs = [`--`, `${search}`];
                 break;