RegexPatternUtils (DSpace Kernel :: API and Implementation 7.6.1 API)

java.lang.Object
- org.dspace.app.util.RegexPatternUtils

```
public class RegexPatternUtils
extends Object
```
Utility class useful for check regex and patterns.

Author:

Vincenzo Mecca (vins01-4science - vincenzo.mecca at 4science.com)

Field Summary

Fields
Modifier and Type Field Description

static Pattern PATTERN_REGEX_INPUT_VALIDATOR

static String REGEX_FLAGS

static String REGEX_INPUT_VALIDATOR

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`static Pattern`	`computePattern(String regex)`	Computes a pattern starting from a regex definition with flags that uses the standard format: `/{regex}/{flags}` (ECMAScript format).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - REGEX_INPUT_VALIDATOR
```
public static final String REGEX_INPUT_VALIDATOR
```
    See Also:
    
    Constant Field Values
  - REGEX_FLAGS
```
public static final String REGEX_FLAGS
```
    See Also:
    
    Constant Field Values
  - PATTERN_REGEX_INPUT_VALIDATOR
```
public static final Pattern PATTERN_REGEX_INPUT_VALIDATOR
```
- Method Detail
  - computePattern
```
public static final Pattern computePattern(String regex)
                                    throws PatternSyntaxException
```
    Computes a pattern starting from a regex definition with flags that uses the standard format: /{regex}/{flags} (ECMAScript format). This method can transform an ECMAScript regex into a java Pattern object wich can be used to validate strings.
    If regex is null, empty or blank a null Pattern will be retrieved If it's a valid regex, then a non-null Pattern will be retrieved, an exception will be thrown otherwise.
    
    Parameters:
    
    regex - with format /{regex}/{flags}
    
    Returns:
    
    Pattern regex pattern instance
    
    Throws:
    
    PatternSyntaxException