[文本处理] 批处理怎样提取代码中的图片链接，然后在链接两端加入内容？

@echo off
setlocal enabledelayedexpansion

for /f "tokens=*" %%i in ('^<daimai.txt find /c /v "$"') do set /a lineCount=%%i
<daimai.txt (
	for /l %%i in (1 1 !lineCount!) do (
		set /p line=
		ECHO !line:src=align^="absmiddle"^ src!
	)
	
)

pause
goto :EOF
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@if (0)==(0) echo off&setlocal enabledelayedexpansion
for /f "delims=" %%i in ('^<daima.txt find /c /v ""') do set /a nLine=%%i
<daima.txt >list.html (
	for /l %%i in (1,1,%nLine%) do (
		set /p strTmp=
		set strTmp=!strTmp:"='!
		for /f "tokens=*" %%a in ('echo "!strTmp!"^|findstr /i img ^>nul ^&^& cscript -nologo -e:jscript %~s0 "!strTmp!"^|findstr /iv spaceball') do (
			echo,^<img align="absmiddle" src="%%a" /^>^<br /^>
		)
	)
)
type list.html

pause
goto :EOF
@end

//jscode
var str=WSH.arguments(0);
var reg=/.*<img.*?src='([^']*)'.*>.*/g;

var ret=reg.exec(str);

if (reg != null) {
	WSH.echo(str.replace(reg, "$1"));
}
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@echo off
(for /f "delims=" %%a in ('findstr "src=" ttt.txt') do (
   for %%b in (%%a) do (
      if defined src set "src="&echo ^<img align="absmiddle" src="%%~b" /^>^</br^>
      if /i %%b==src set "src=1"
   )
))>tmp.txt
findstr /ve "spaceball\.gif space\.gif" tmp.txt>结果.txt
del tmp.txt
pause
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