Fix bug in PipeParser

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@biesbjerg/ng2-translate-extract",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "Extract strings from projects using ng2-translate",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",

src/parsers/pipe.parser.ts

@@ -15,7 +15,7 @@ export class PipeParser extends AbstractTemplateParser implements ParserInterfac
 	protected _parseTemplate(template: string): TranslationCollection {
 		let collection: TranslationCollection = new TranslationCollection();
 
-		const regExp: RegExp = /(['"`])([^\1\r\n]*?)\1\s*\|\s*translate/g;
+		const regExp: RegExp = /(['"`])([^>\1\r\n]*?)\1\s*\|\s*translate/g;
 		let matches: RegExpExecArray;
 		while (matches = regExp.exec(template)) {
 			collection = collection.add(matches[2]);

tests/parsers/pipe.parser.spec.ts

@@ -12,6 +12,12 @@ describe('PipeParser', () => {
 		parser = new PipeParser();
 	});
 
+	it('should only extract string using pipe', () => {
+		const contents = `<button [style.background]="'lime'">{{ 'SomeKey_NotWorking' | translate }}</button>`;
+		const keys = parser.extract(contents, templateFilename).keys();
+		expect(keys).to.deep.equal(['SomeKey_NotWorking']);
+	});
+
 	it('should extract interpolated strings using translate pipe', () => {
 		const contents = `Hello {{ 'World' | translate }}`;
 		const keys = parser.extract(contents, templateFilename).keys();