77七

@echo off
rem 注意将代码中的两处字符串替换为文本中的整行，包含行首、尾空格（如有）。
(for /f "useback delims=" %%a in ("1.txt") do (
	if "%%a" equ "delete(Array.prototype.p);" (
		goto :next
	)
	if defined n (
		echo %%a
	)
	if "%%a" equ "Array.prototype.p = Array.prototype.push;" (
		set n=1
	)
))>"2.txt"
:next
pause
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77七

回复 5# kidzgy


   参考2楼代码第2行。

77七

test.html

		var D = dirs;
		Array.prototype.p = Array.prototype.push;

D.p(["D:/quest2*0*1680711711*D:/quest2/","CastReceiver_1.5.6_armeabi-v7a_by_Prosmart.by.apk*12505115*1618494146","SKYBOX v1.1.0.465.apk*140533455*1680486331","SKYBOX VR Video Player [1.1.0.525].apk*121507878*1647912077","ssrray-release-3.8.10.1.apk*36174974*1621004286",310721422,"1"])
D.p(["D:/quest2/adb*0*1633840967","aapt.exe*1639424*1619405894","aapt_20210426105805.exe*1639424*1619405894","adb.exe*1974272*1619405894","adb_20210426105805.exe*1974272*1619405895","AdbWinApi.dll*97792*1619405894","AdbWinApi_20210426105805.dll*97792*1619405894","AdbWinUsbApi.dll*62976*1619405894","AdbWinUsbApi_20210426105808.dll*62976*1619405895",7548928,""])



		delete(Array.prototype.p);	// remove alias added above

		$(document).ready(function(){
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code2

@echo off
chcp 65001 >nul
rem 批处理保存为utf-8编码格式
set "str1=Array.prototype.p = Array.prototype.push;"
set "str2=delete(Array.prototype.p);"
for /f "tokens=1 delims=:" %%a in ('^<"test.html" findstr /n /c:"%str1%" /c:"%str2%"') do (
	if not defined s (
		set s=%%a
	) else (
		set e=%%a
	)
)
(for /f "tokens=1* delims=:" %%a in ('^<"test.html" findstr /n .') do (
	if %%a gtr %s% if %%a lss %e% (
		echo=%%b
	)
))>"out.html"
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77七

文本行超长，批处理处理不了。要是我自己用的话，可以用第三方工具，linex和cfile ，都可以通过行号打印超长文本行。
打印第100行及接下来的10行
type 1.txt|linex -l 100 -e 10
linex -l 100 -e 10 <1.txt >2.txt
打印第100-110行
cfile 100,110 1.txt >2.txt
大概是这样。