de.alpharogroup.regex

Class RegExExtensions

java.lang.Object

de.alpharogroup.regex.RegExExtensions

public class RegExExtensions
extends Object

Utility class for the use with regular expressions.

Version:

1.0

Author:

Asterios Raptis

Field Summary

Fields

Modifier and Type	Field and Description
static String	VALID_CHARS_IN_FILENAME Regular expression class for the valid characters in a filename.
static String	VALID_EMAIL
static String	VALID_PHONE
static String	WILDCARD_ASTERISK Constant for the wildcard asterisk "*".
static String	WILDCARD_MANYCHARS_RE Regular expression for many characters in the filename.
static String	WILDCARD_ONECHAR_RE Regular expression for exactly on character in the filename.
static String	WILDCARD_QUESTION_MARK Constant for the wildcard interrogation mark "?".

Constructor Summary

Constructors

Constructor and Description
RegExExtensions()

Method Summary

Modifier and Type	Method and Description
static String	replaceWildcardsWithRE(String queryString) Replaces the normal wildcards in the given String with the corresponding regular expression wildcards.
static String	wildcardCriterionSQL(String query) Replaces the query with the wildcards asterisk "*" and interrogation mark "?"

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

WILDCARD_ASTERISK

public static final String WILDCARD_ASTERISK

Constant for the wildcard asterisk "*". Current value:"*"

See Also:

Constant Field Values

WILDCARD_QUESTION_MARK

public static final String WILDCARD_QUESTION_MARK

Constant for the wildcard interrogation mark "?". Current value:"?"

See Also:

Constant Field Values

VALID_CHARS_IN_FILENAME

public static final String VALID_CHARS_IN_FILENAME

Regular expression class for the valid characters in a filename. Current value:"[a-zA-Z0-9._-]"

See Also:

Constant Field Values

WILDCARD_ONECHAR_RE

public static final String WILDCARD_ONECHAR_RE

Regular expression for exactly on character in the filename. Current value:"[a-zA-Z0-9._-]{1}"

See Also:

Constant Field Values

WILDCARD_MANYCHARS_RE

public static final String WILDCARD_MANYCHARS_RE

Regular expression for many characters in the filename. Current value:".*"

See Also:

Constant Field Values

VALID_EMAIL

public static final String VALID_EMAIL

See Also:

Constant Field Values

VALID_PHONE

public static final String VALID_PHONE

See Also:

Constant Field Values

Constructor Detail

RegExExtensions

public RegExExtensions()

Method Detail

replaceWildcardsWithRE

public static String replaceWildcardsWithRE(String queryString)

Replaces the normal wildcards in the given String with the corresponding regular expression wildcards.

Parameters:

queryString - The String to format.

Returns:

Returns the formatted String as a regular expression for search.

wildcardCriterionSQL

public static String wildcardCriterionSQL(String query)

Replaces the query with the wildcards asterisk "*" and interrogation mark "?" with the corresponding wildcard from SQL.

Parameters:

query - The String to replace the wildcards.

Returns:

The String with the new wildcards from SQL "%" and "_".