我以2个字符串为例，想看看两个字符串的TEXT是否都是EXACT。如果STRING不匹配，它应该显示哪个字符串或原始字符串中缺少的句子。
有可能在jQuery中吗？任何代码？
我尝试使用许多在线文本比较工具，但没有一个说以下字符串是准确的，没有区别，需要忽略段落
文字1
In this chapter, you learn some real time-savers. If you are tired of defining
the same layers, along with units, grid, snap, and ltscale, for each new
drawing, read on. You are about to learn how to create your own template
drawings. With templates, you can begin each new drawing with setups
you have defined and saved in previous MEMA sessions, or with a
variety of predefined setups included in the software.
In addition, you learn to reshape the grid using the LIMITS command
and to copy, move, and array objects on the screen so that you
do not have to draw the same thing twice. We begin with the LIMITS
command, because we want to change the limits as part of defining
your first template.
文字2
In this chapter, you learn some real time-savers. If you are tired of defining the same layers, along with units, grid, snap, and ltscale, for each new drawing, read on. You are about to learn how to create your own template drawings. With templates, you can begin each new drawing with setups you have defined and saved in previous MEMA sessions, or with a variety of predefined setups included in the software.
In addition, you learn to reshape the grid using the LIMITS command and to copy, move, and array objects on the screen so that you do not have to draw the same thing twice. We begin with the LIMITS command, because we want to change the limits as part of defining your first template.**
参考方案
您正在寻找“ Diff”实现，这并不是完全简单的。 PHP和JavaScript都有可能。
请参阅以下SO问题：
JavaScript based diff utility
PHP text diff script
要查找更多：
Search for "JavaScript diff" on Stack Overflow
Search for "PHP diff" on Stack Overflow
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