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如何比较文字

[英]How to compare text

原文 2010-10-04 05:17:28 1 5 php/ algorithm/ compare/ stringcomparer

Like the title, How to compare text?. 像标题一样，如何比较文字？ For a example, go to textdiff.com. 例如，请访问textdiff.com。

5 个解决方案

Check out Levenshtein distance . 查看Levenshtein距离。 This is a fairly general algorithm for identifying differences between two strings. 这是用于识别两个字符串之间差异的相当通用的算法。

You may want to have a look at Pear's Text_Diff 您可能想看看Pear的Text_Diff

http://pear.php.net/package/Text_Diff/ http://pear.php.net/package/Text_Diff/

http://en.wikipedia.org/wiki/Longest_common_subsequence_problem

I would suggest Jaccard's Similarity coefficient. 我建议杰卡德的相似系数。 Treating each sentence as a unit. 将每个句子视为一个单元。

if you're looking for a terminal command, check out diff, found in linux by default. 如果您正在寻找终端命令，请查看diff，默认情况下在Linux中找到。 You can also have it on windows by installing cygwin [with a LOT of excess baggage. 您也可以通过安装cygwin [和很多多余的行李在Windows上安装它。 :\\ ] ：\\]

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