String.replaceAll（）不起作用 [英] String.replaceAll() is not working

问题描述

我正在编辑一些来自tesseract ocr的电子邮件。

I am editing some email that got from tesseract ocr.

这是我的代码：

 if (email != null) {
        email = email.replaceAll(" ", "");
        email = email.replaceAll("caneer", "career");
        email = email.replaceAll("canaer", "career");
        email = email.replaceAll("canear", "career");
        email = email.replaceAll("caraer", "career");
        email = email.replaceAll("carear", "career");
        email = email.replace("|", "l");
        email = email.replaceAll("}", "j");
        email = email.replaceAll("j3b", "job");
        email = email.replaceAll("gmaii.com", "gmail.com");
        email = email.replaceAll("hotmaii.com", "hotmail.com");
        email = email.replaceAll(".c0m", ".com");
        email = email.replaceAll(".coin", ".com");
        email = email.replaceAll("consuit", "consult");
    }
    return email;

但输出不正确。

输入：

amrut=ac.hrworks@g mai|.com

输出：

lalcl.lhlrlwlolrlklsl@lglmlalil|l.lclolml

但是当我在每次替换后将结果分配给新的String时，它工作正常。为什么在同一个String中连续赋值不起作用？

But when I assigned the result to a new String after every replacement, it works fine. Why continuous assignment in the same String is not working?

推荐答案

你会在字符串的Javadoc。 replaceAll（）第一个参数是正则表达式。

句号（。）与管道有特殊含义（ | ）大括号（} ）。您需要将它们全部转义，例如：

A period (.) has a special meaning there as does a pipe (|) as does a curly brace (}). You need to escape them all, such as:

email = email.replaceAll("gmaii\\.com", "gmail.com");

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