feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

feat(pipes): add ReplacePipe for string manipulation

add commonly used pipe that is missing  from framework.

modules/angular2/test/common/pipes/replace_pipe_spec.ts

@@ -0,0 +1,73 @@
+import {
+  ddescribe,
+  describe,
+  it,
+  iit,
+  xit,
+  expect,
+  beforeEach,
+  afterEach,
+  browserDetection,
+  inject,
+  TestComponentBuilder,
+  AsyncTestCompleter
+} from 'angular2/testing_internal';
+
+import {ReplacePipe} from 'angular2/common';
+import {RegExpWrapper, StringJoiner} from 'angular2/src/facade/lang';
+
+export function main() {
+  describe("ReplacePipe", () => {
+    var someNumber: number;
+    var str;
+    var pipe;
+
+    beforeEach(() => {
+      someNumber = 42;
+      str = 'Douglas Adams';
+      pipe = new ReplacePipe();
+    });
+
+    describe("transform", () => {
+
+      it("should not support input other than strings and numbers", () => {
+        expect(() => pipe.transform({}, ["Douglas", "Hugh"])).toThrow();
+        expect(() => pipe.transform([1, 2, 3], ["Douglas", "Hugh"])).toThrow();
+      });
+
+      it("should not support patterns other than strings and regular expressions", () => {
+        expect(() => pipe.transform(str, [{}, "Hugh"])).toThrow();
+        expect(() => pipe.transform(str, [null, "Hugh"])).toThrow();
+        expect(() => pipe.transform(str, [123, "Hugh"])).toThrow();
+      });
+
+      it("should not support replacements other than strings and functions", () => {
+        expect(() => pipe.transform(str, ["Douglas", {}])).toThrow();
+        expect(() => pipe.transform(str, ["Douglas", null])).toThrow();
+        expect(() => pipe.transform(str, ["Douglas", 123])).toThrow();
+      });
+
+      it("should return a new string with the pattern replaced", () => {
+        var result1 = pipe.transform(str, ["Douglas", "Hugh"]);
+
+        var result2 = pipe.transform(str, [RegExpWrapper.create("a"), "_"]);
+
+        var result3 = pipe.transform(str, [RegExpWrapper.create("a", "i"), "_"]);
+
+        var f = (x => { return "Adams!"; });
+
+        var result4 = pipe.transform(str, ["Adams", f]);
+
+        var result5 = pipe.transform(someNumber, ["2", "4"]);
+
+        expect(result1).toEqual("Hugh Adams");
+        expect(result2).toEqual("Dougl_s Ad_ms");
+        expect(result3).toEqual("Dougl_s _d_ms");
+        expect(result4).toEqual("Douglas Adams!");
+        expect(result5).toEqual("44");
+      });
+
+    });
+
+  });
+}

modules/angular2/test/public_api_spec.ts

@@ -431,6 +431,8 @@ var NG_COMMON = [
   'PatternValidator.validate()',
   'PercentPipe',
   'PercentPipe.transform()',
+  'ReplacePipe',
+  'ReplacePipe.transform()',
   'RequiredValidator',
   'SelectControlValueAccessor',
   'SelectControlValueAccessor.onChange',