java.util.regex
Class Pattern

java.lang.Object
  java.util.regex.Pattern

All Implemented Interfaces:

Serializable

public final class Pattern
extends Object
implements Serializable

Compiled regular expression ready to be applied.

Since:

1.4

See Also:

Serialized Form

Field Summary

static int	CANON_EQ
static int	CASE_INSENSITIVE
static int	COMMENTS
static int	DOTALL
static int	MULTILINE
static int	UNICODE_CASE
static int	UNIX_LINES

Method Summary

static Pattern	compile(String regex)
static Pattern	compile(String regex, int flags)
int	flags()
Matcher	matcher(CharSequence input)
static boolean	matches(String regex, CharSequence input)
String	pattern()
String[]	split(CharSequence input)
String[]	split(CharSequence input, int limit)

Methods inherited from class java.lang.Object

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

Field Detail

CANON_EQ

public static final int CANON_EQ

See Also:

Constant Field Values

CASE_INSENSITIVE

public static final int CASE_INSENSITIVE

See Also:

Constant Field Values

COMMENTS

public static final int COMMENTS

See Also:

Constant Field Values

DOTALL

public static final int DOTALL

See Also:

Constant Field Values

MULTILINE

public static final int MULTILINE

See Also:

Constant Field Values

UNICODE_CASE

public static final int UNICODE_CASE

See Also:

Constant Field Values

UNIX_LINES

public static final int UNIX_LINES

See Also:

Constant Field Values

Method Detail

compile

public static Pattern compile(String regex)
                       throws PatternSyntaxException

Parameters:

regex - The regular expression

Throws:

PatternSyntaxException - If the expression's syntax is invalid

compile

public static Pattern compile(String regex,
                              int flags)
                       throws PatternSyntaxException

Parameters:

regex - The regular expression

flags - The match flags, a bit mask

Throws:

PatternSyntaxException - If the expression's syntax is invalid

IllegalArgumentException - If bit values other than those corresponding to the defined match flags are set in flags

flags

public int flags()

matches

public static boolean matches(String regex,
                              CharSequence input)

Parameters:

regex - The regular expression

input - The character sequence to be matched

Throws:

PatternSyntaxException - If the expression's syntax is invalid

matcher

public Matcher matcher(CharSequence input)

Parameters:

input - The character sequence to be matched

split

public String[] split(CharSequence input)

Parameters:

input - The character sequence to be matched

split

public String[] split(CharSequence input,
                      int limit)

Parameters:

input - The character sequence to be matched

limit - The result threshold

pattern

public String pattern()