fix(parser): allow CRLFs in string interpolations, fix vuejs#8103

Author: haoqunjiang

src/compiler/parser/text-parser.js

@@ -3,7 +3,7 @@
 import { cached } from 'shared/util'
 import { parseFilters } from './filter-parser'
 
-const defaultTagRE = /\{\{((?:.|\n)+?)\}\}/g
+const defaultTagRE = /\{\{((?:.|\r?\n)+?)\}\}/g
 const regexEscapeRE = /[-.*+?^${}()|[\]\/\\]/g
 
 const buildRegex = cached(delimiters => {

test/unit/modules/compiler/parser.spec.js

@@ -717,4 +717,10 @@ describe('parser', () => {
     expect(ast.children[1].isComment).toBe(true) // parse comment with ASTText
     expect(ast.children[1].text).toBe('comment here')
   })
+
+  // #8103
+  it('should allow CRLFs in string interpolations', () => {
+    const ast = parse(`<p>{{\r\nmsg\r\n}}</p>`, baseOptions)
+    expect(ast.children[0].expression).toBe('_s(msg)')
+  })
 })