接下来,我们将编写 Java 方法来实现邮箱验证: importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassEmailValidator{// 定义邮箱正则表达式privatestaticfinalStringEMAIL_REGEX="^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,}$";// 验证邮箱的方法publicstaticbooleanisValid...
在上面的代码中,我们使用了Pattern类和正则表达式来验证邮箱。EMAIL_REGEX是一个包含正则表达式的字符串,用于指定邮箱的验证规则。isValidEmail方法接收一个邮箱字符串作为参数,并返回一个布尔值,表示邮箱是否合法。 使用示例 在下面的示例中,我们将使用上述的EmailValidator类来验证一些邮箱: publicclassMain{publicstaticv...
@Pattern(regex=,flag=) 必须符合指定的正则表达式 @NotEmpty 必须不为null且不为空(字符串长度不为0、集合大小不为0) @NotBlank 必须不为空(不为null、去除首位空格后长度不为0),不同于@NotEmpty,@NotBlank只应用于字符串且在比较时会去除字符串的空格 @Email 必须为Email,也可以通过正则表达式和flag指定自...
实体类 @DatapublicclassSubjectReqVoextendsBasePage{privateLongsubjectId;privateLongcreateId;/*** 企业名称*/@NotBlank(message="企业主体名称不能为空")@Length(max=50,message="企业主体名称长度不能超过50")privateStringsubjectName;/*** 信用编码*/@Pattern(regexp=CommonRegex.CREDIT_NO,message="信用编码...
创建一个注解处理类EmailValidation.java packagecom.example.uaa.myvalidation;importcom.example.uaa.myvalidation.annotation.ValidEmail;importjavax.validation.ConstraintValidator;importjavax.validation.ConstraintValidatorContext;importjava.util.regex.Pattern;/** ...
64 characters") private String lastName; @NotNull(message = "Email cannot be empty") @Size(max = 50, message = "Email cannot exceed 50 characters") @Pattern(regexp = EMAIL_REGEX_PATTERN, message = "Email should contain a valid email address.") private String email; // other fields }...
The IsValidEmail method then calls the Regex.IsMatch(String, String) method to verify that the address conforms to a regular expression pattern. The IsValidEmail method merely determines whether the email format is valid for an email address; it doesn't validate that the email exists. Also, ...
@Pattern(regex=,flag=) 被注释的元素必须符合指定的正则表达式 Hibernate Validator 附加的 constraint @NotBlank(message =) 验证字符串非null,且长度必须大于0 @Email 被注释的元素必须是电子邮箱地址 @Length(min=,max=) 被注释的字符串的大小必须在指定的范围内 ...
the method calls theRegex.IsMatch(String, String)method to verify that the address conforms to a regular expression pattern. You can use IsValidEmail to filter out e-mail addresses that contain invalid characters before your application stores the addresses in a database or displays...
private static final Pattern mobile_pattern = Pattern.compile(regex); public static boolean isMobile(String src) { if (StringUtils.isEmpty(src)) { return false; } Matcher m = mobile_pattern.matcher(src); return m.matches(); } }