def replaceFileStrWithRegex(regex,nString,fileName):
filePath = FUtil.findFileDirWithFileName(FUtil.getCurrentPath(),fileName);
fileHandel = open(filePath,'r');
fileHandel.seek(0);
fileContent = fileHandel.read();
content = re.sub(re.compile(regex), nString, fileContent);
fileHandel.close();
newfile = open(filePath,'w')
newfile.write(content)
newfile.close();
replaceFileStrWithRegex('abcdefg','if ([[URL.scheme lowercaseString] isEqualToString:kCtripWirelessUrlSchemeString] || [[URL.scheme lowercaseString] isEqualToString:@"ctrip"])','CTURLDispatcher.m')
