| //------------------------------------------------------------------------------------------------------- |
| // Copyright (C) Microsoft. All rights reserved. |
| // Licensed under the MIT license. See LICENSE.txt file in the project root for full license information. |
| //------------------------------------------------------------------------------------------------------- |
| |
| function MyReplace($0, $1, $2, $3, $4, offset, input) |
| { |
| WScript.Echo("$0=" + $0); |
| WScript.Echo("$1=" + $1); |
| WScript.Echo("$2=" + $2); |
| WScript.Echo("$3=" + $3); |
| WScript.Echo("$4=" + $4); |
| WScript.Echo("offset=" + offset); |
| WScript.Echo("input=" + input); |
| return $0; |
| } |
| |
| var p = /(a)(b)(c)(d)/g; |
| var s = "xxabcdxxabcdxx"; |
| |
| WScript.Echo(s.replace(p, MyReplace)); |
| |
| |
| var replacefn = function (arg1,arg2,arg3) |
| { |
| this.x = 10; |
| return "xyz"; |
| } |
| |
| var a = new String("abcdef"); |
| WScript.Echo(a.replace("def",replacefn)); |
| WScript.Echo(x); |
| |
| |
| replacefn = function(arg) { |
| // access re.lastIndex inside replace function. |
| // As per ES6 21.2.5.8, lastIndex should be updated to 0 if global is true |
| // This should be visible in replace function |
| WScript.Echo(re.lastIndex); |
| return "_" + arg; |
| } |
| var re = /abc/g; |
| var str = "abcabc"; |
| re.lastIndex = 3; |
| WScript.Echo(str.replace(re, replacefn)); |
| |