diff --git a/src/vs/base/common/glob.ts b/src/vs/base/common/glob.ts
index 41d0b57525acd0524e5dc06b0f2ceb6a9e4bd57f..00e6628a216dc57aee3a45ce8f44912a6a7f3ad9 100644
--- a/src/vs/base/common/glob.ts
+++ b/src/vs/base/common/glob.ts
@@ -299,7 +299,7 @@ function matchExpression(expression: IExpression, path: string, siblings?: strin
 				}
 
 				let clause = <SiblingClause>value;
-				let clausePattern = strings.replaceAll(clause.when, '$(basename)', basename);
+				let clausePattern = clause.when.replace('$(basename)', basename);
 				if (siblings.some((sibling) => sibling === clausePattern)) {
 					return pattern;
 				} else {
diff --git a/src/vs/base/common/strings.ts b/src/vs/base/common/strings.ts
index 74f6813f563aca5b27e2c5dc1eeab074c9c9523b..9053b5fb65daca139b53002c47c2924587586425 100644
--- a/src/vs/base/common/strings.ts
+++ b/src/vs/base/common/strings.ts
@@ -65,13 +65,6 @@ export function escapeRegExpCharacters(value: string): string {
 	return value.replace(/[\-\\\{\}\*\+\?\|\^\$\.\,\[\]\(\)\#\s]/g, '\\$&');
 }
 
-/**
- * Searches for all occurrences of needle in haystack and replaces them with replacement.
- */
-export function replaceAll(haystack: string, needle: string, replacement: string): string {
-	return haystack.replace(new RegExp(escapeRegExpCharacters(needle.toString()), 'g'), replacement);
-}
-
 /**
  * Removes all occurrences of needle from the beginning and end of haystack.
  * @param haystack string to trim
@@ -145,7 +138,7 @@ export function convertSimple2RegExpPattern(pattern: string): string {
 }
 
 export function stripWildcards(pattern: string): string {
-	return replaceAll(pattern, '*', '');
+	return pattern.replace(/\*/g, '');
 }
 
 /**
diff --git a/src/vs/workbench/parts/output/common/outputWorker.ts b/src/vs/workbench/parts/output/common/outputWorker.ts
index 3102fa90b6fdc3fe5386cecbc1f3e1f6f85be422..ec7a30efae4e2c6d4ec7078927e3c46f558ce00d 100644
--- a/src/vs/workbench/parts/output/common/outputWorker.ts
+++ b/src/vs/workbench/parts/output/common/outputWorker.ts
@@ -105,7 +105,7 @@ export class OutputWorker {
 			while ((match = pattern.exec(line)) !== null) {
 
 				// Convert the relative path information to a resource that we can use in links
-				let workspaceRelativePath = strings.replaceAll(strings.rtrim(match[1], '.'), '\\', '/'); // remove trailing "." that likely indicate end of sentence
+				let workspaceRelativePath = strings.rtrim(match[1], '.').replace(/\\/g, '/'); // remove trailing "." that likely indicate end of sentence
 				let resource:string;
 				try {
 					resource = contextService.toResource(workspaceRelativePath).toString();
diff --git a/src/vs/workbench/parts/output/test/outputWorker.test.ts b/src/vs/workbench/parts/output/test/outputWorker.test.ts
index 88fefc28dfdc4977cf8e7aaaf794beb9ece3efe9..809a99273af109e8c87dcbafc3948e4916736614 100644
--- a/src/vs/workbench/parts/output/test/outputWorker.test.ts
+++ b/src/vs/workbench/parts/output/test/outputWorker.test.ts
@@ -6,7 +6,6 @@
 'use strict';
 
 import * as assert from 'assert';
-import {replaceAll} from 'vs/base/common/strings';
 import URI from 'vs/base/common/uri';
 import {isMacintosh, isLinux} from 'vs/base/common/platform';
 import {OutputWorker} from 'vs/workbench/parts/output/common/outputWorker';
@@ -14,7 +13,7 @@ import {TestContextService} from 'vs/workbench/test/browser/servicesTestUtils';
 
 function toOSPath(p: string): string {
 	if (isMacintosh || isLinux) {
-		return replaceAll(p, '\\', '/');
+		return p.replace(/\\/g, '/');
 	}
 
 	return p;
diff --git a/src/vs/workbench/services/search/node/fileSearch.ts b/src/vs/workbench/services/search/node/fileSearch.ts
index bde394f7420388f3061f08bd1699f1e7923c643c..33073851bd9912e1b6675ae734524d81fa03bc10 100644
--- a/src/vs/workbench/services/search/node/fileSearch.ts
+++ b/src/vs/workbench/services/search/node/fileSearch.ts
@@ -45,7 +45,7 @@ export class FileWalker {
 		this.isLimitHit = false;
 
 		if (this.filePattern) {
-			this.filePattern = strings.replaceAll(this.filePattern, '\\', '/'); // Normalize file patterns to forward slashes
+			this.filePattern = this.filePattern.replace(/\\/g, '/'); // Normalize file patterns to forward slashes
 			this.normalizedFilePatternLowercase = strings.stripWildcards(this.filePattern).toLowerCase();
 		}
 	}