本文介绍了如何在Java中替换不可打印的Unicode字符?的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
以下内容将取代ASCII控制字符( [\ x00-\x1F \ x7F] 的简写):
The following will replace ASCII control characters (shorthand for [\x00-\x1F\x7F]):
my_string.replaceAll("\\p{Cntrl}", "?");以下内容将替换所有ASCII不可打印字符( [\\的简写] \\ p {Graph} \ x20] ),包括重音字符:
The following will replace all ASCII non-printable characters (shorthand for [\p{Graph}\x20]), including accented characters:
my_string.replaceAll("[^\\p{Print}]", "?");但是,它们都不适用于Unicode字符串。有没有人有一个很好的方法从unicode字符串中删除不可打印的字符?
However, neither works for Unicode strings. Does anyone has a good way to remove non-printable characters from a unicode string?
推荐答案my_string.replaceAll("\\p{C}", "?");
查看更多关于 Unicode正则表达式。 java.util.regexPattern / String.replaceAll 支持它们。
See more about Unicode regex. java.util.regexPattern/String.replaceAll supports them.
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如何在Java中替换不可打印的Unicode字符?
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