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java.lang.Object org.codehaus.groovy.grails.validation.routines.RegexValidator
public class RegexValidator
Regular Expression validation (using JDK 1.4+ regex support).
Construct the validator either for a single regular expression or a set (array) of regular expressions. By default validation is case sensitive but constructors are provided to allow case in-sensitive validation. For example to create a validator which does case in-sensitive validation for a set of regular expressions:
String[] regexs = new String[] {...}; RegexValidator validator = new RegexValidator(regexs, false);
true
or false
:boolean valid = validator.isValid(value);
String result = validator.validate(value);
String[] result = validator.match(value);
Cached instances pre-compile and re-use Pattern
(s) - which according
to the Pattern
API are safe to use in a multi-threaded environment.
Constructor Summary | |
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RegexValidator(String regex)
Construct a case sensitive validator for a single regular expression. |
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RegexValidator(String[] regexs)
Construct a case sensitive validator that matches any one of the set of regular expressions. |
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RegexValidator(String[] regexs,
boolean caseSensitive)
Construct a validator that matches any one of the set of regular expressions with the specified case sensitivity. |
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RegexValidator(String regex,
boolean caseSensitive)
Construct a validator for a single regular expression with the specified case sensitivity. |
Method Summary | |
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boolean |
isValid(String value)
Validate a value against the set of regular expressions. |
String[] |
match(String value)
Validate a value against the set of regular expressions returning the array of matched groups. |
String |
toString()
Provide a String representation of this validator. |
String |
validate(String value)
Validate a value against the set of regular expressions returning a String value of the aggregated groups. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public RegexValidator(String regex)
regex
- The regular expression this validator will
validate againstpublic RegexValidator(String regex, boolean caseSensitive)
regex
- The regular expression this validator will
validate againstcaseSensitive
- when true
matching is case
sensitive, otherwise matching is case in-sensitivepublic RegexValidator(String[] regexs)
regexs
- The set of regular expressions this validator will
validate againstpublic RegexValidator(String[] regexs, boolean caseSensitive)
regexs
- The set of regular expressions this validator will
validate againstcaseSensitive
- when true
matching is case
sensitive, otherwise matching is case in-sensitiveMethod Detail |
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public boolean isValid(String value)
value
- The value to validate.
true
if the value is valid
otherwise false
.public String[] match(String value)
value
- The value to validate.
null
if invalidpublic String validate(String value)
value
- The value to validate.
null
if invalidpublic String toString()
toString
in class Object
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