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Apache Struts 2 Documentation
url validator
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# Description

URLValidator checks that a given field is a String and a valid URL

Parameters

- fieldName - The field name this validator is validating. Required if using Plain-Validator Syntax otherwise not required
- urlRegexExpression - The regex defined as expression used to validate url. If not defined 'urlRegex' will be used instead
- urlRegex - The regex used to validate url. If not defined default regex will be used

# Examples

See more details in UrlValidator Annotation