Java电子邮件地址加密：使用正则表达式隐藏@左右两侧字符

{"title":"Java电子邮件地址加密：使用正则表达式隐藏@左右两侧字符","description":"本文演示了如何在Java中使用正则表达式加密电子邮件地址，将@符号左右两侧的两个字符替换为星号()，以保护用户隐私。","keywords":"Java, 正则表达式, 电子邮件加密, 隐私保护, 字符串操作, Pattern, Matcher","content":"public static void main(String[] args) {\n String email = "pfl0611121333@3.com";\n String encryptedEmail = encryptEmail(email);\n System.out.println(encryptedEmail);\n}\n\npublic static String encryptEmail(String email) {\n Pattern pattern = Pattern.compile("(?<=.).(?=.)");\n Matcher matcher = pattern.matcher(email);\n\n // 将匹配到的字符替换为\n StringBuffer encryptedEmail = new StringBuffer();\n while (matcher.find()) {\n matcher.appendReplacement(encryptedEmail, "*");\n }\n matcher.appendTail(encryptedEmail);\n\n return encryptedEmail.toString();\n}"}