def get_vc_path(version):
    import _winreg
    value = None

    if is64bitWindows():
        key_name = r'SOFTWARE\Wow6432Node\Microsoft\VisualStudio\SxS\VC7'
    else:
        key_name = r'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\VisualStudio\SxS\VC7'
    try:
        key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, key_name)
        value, _ = _winreg.QueryValueEx(key, version)
    except EnvironmentError:
        return None

    return value
Compiles and returns a regular expression to find contexts
dataset/ETHPy150Open biicode/client/setups/finders/msvc_finder.py/get_vc_path--crossover with--dataset/ETHPy150Open reefeed/wanish/wanish/tokenizers.py/PunktLanguageVars.period_context_re