interface IRegExp2 : IDispatch {
[id(0x00002711), PRopget]
hrESULT Pattern([out, retval] BSTR* pPattern);
[id(0x00002711), propput]
HRESULT Pattern([in] BSTR pPattern);
[id(0x00002712), propget]
HRESULT IgnoreCase([out, retval] VARIANT_BOOL* pIgnoreCase);
[id(0x00002712), propput]
HRESULT IgnoreCase([in] VARIANT_BOOL pIgnoreCase);
[id(0x00002713), propget]
HRESULT Global([out, retval] VARIANT_BOOL* pGlobal);
[id(0x00002713), propput]
HRESULT Global([in] VARIANT_BOOL pGlobal);
[id(0x00002717), propget]
HRESULT Multiline([out, retval] VARIANT_BOOL* pMultiline);
[id(0x00002717), propput]
HRESULT Multiline([in] VARIANT_BOOL pMultiline);
[id(0x00002714)]
HRESULT Execute(
[in] BSTR sourceString,
[out, retval] IDispatch** ppMatches);
[id(0x00002715)]
HRESULT test(
[in] BSTR sourceString,
[out, retval] VARIANT_BOOL* pMatch);
[id(0x00002716)]
HRESULT Replace(
[in] BSTR sourceString,
[in] VARIANT replaceVar,
[out, retval] BSTR* pDestString);
};

'Author: Demon
'Link: http://demon.tw/programming/vbs-regexp-object.htML
'Date: 2011/12/26
Dim fso, regex, str
Set fso = CreateObject("Scripting.FileSystemObject")
Set regex = CreateObject("VBScript.RegExp")
str = fso.OpenTextFile("demon.txt").ReadAll
regex.Global = True
regex.MultiLine = True
regex.Pattern = "^\s*\n"
str = regex.Replace(str, "")
'相当于JavaScript中的 str = str.replace(/^\s*\n/gm, "")
fso.OpenTextFile("demon.txt", 2).Write str