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gnu.java.util.regex

Class UncheckedRE

Implemented Interfaces:
Cloneable, Serializable
public final class UncheckedRE
extends RE
UncheckedRE is a subclass of RE that allows programmers an easier means of programmatically precompiling regular expressions. It is constructed and used in exactly the same manner as an instance of the RE class; the only difference is that its constructors do not throw REException. Instead, if a syntax error is encountered during construction, a RuntimeException will be thrown.

Note that this makes UncheckedRE dangerous if constructed with dynamic data. Do not use UncheckedRE unless you are completely sure that all input being passed to it contains valid, well-formed regular expressions for the syntax specified.

Since:
gnu.regexp 1.1.4
See Also:
RE, Serialized Form

Field Summary

Fields inherited from class gnu.java.util.regex.RE

REG_ANCHORINDEX, REG_DOT_NEWLINE, REG_FIX_STARTING_POSITION, REG_ICASE, REG_ICASE_USASCII, REG_MULTILINE, REG_NOTBOL, REG_NOTEOL, REG_NO_INTERPOLATE, REG_REPLACE_USE_BACKSLASHESCAPE, REG_TRY_ENTIRE_MATCH, REG_X_COMMENTS

Fields inherited from class gnu.java.util.regex.REToken

next, subIndex, uncle, unicodeAware

Constructor Summary

UncheckedRE(Object pattern)
Constructs a regular expression pattern buffer without any compilation flags set, and using the default syntax (RESyntax.RE_SYNTAX_PERL5).
UncheckedRE(Object pattern, int cflags)
Constructs a regular expression pattern buffer using the specified compilation flags and the default syntax (RESyntax.RE_SYNTAX_PERL5).
UncheckedRE(Object pattern, int cflags, RESyntax syntax)
Constructs a regular expression pattern buffer using the specified compilation flags and regular expression syntax.

Method Summary

Methods inherited from class gnu.java.util.regex.RE

getAllMatches, getAllMatches, getAllMatches, getMatch, getMatch, getMatch, getMatch, getMatchEnumeration, getMatchEnumeration, getMatchEnumeration, getMaximumLength, getMinimumLength, getNumSubs, getReplacement, initialize, isMatch, isMatch, isMatch, makeCharIndexed, substitute, substitute, substitute, substituteAll, substituteAll, substituteAll, toString, version

Methods inherited from class gnu.java.util.regex.REToken

clone, next, toLowerCase, toString, toUpperCase

Methods inherited from class java.lang.Object

clone, equals, extends Object> getClass, finalize, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

UncheckedRE

public UncheckedRE(Object pattern)
Constructs a regular expression pattern buffer without any compilation flags set, and using the default syntax (RESyntax.RE_SYNTAX_PERL5).
Parameters:
pattern - A regular expression pattern, in the form of a String, StringBuffer or char[]. Other input types will be converted to strings using the toString() method.
Throws:
RuntimeException - The input pattern could not be parsed.
NullPointerException - The pattern was null.

UncheckedRE

public UncheckedRE(Object pattern,
                   int cflags)
Constructs a regular expression pattern buffer using the specified compilation flags and the default syntax (RESyntax.RE_SYNTAX_PERL5).
Parameters:
pattern - A regular expression pattern, in the form of a String, StringBuffer, or char[]. Other input types will be converted to strings using the toString() method.
cflags - The logical OR of any combination of the compilation flags in the RE class.
Throws:
RuntimeException - The input pattern could not be parsed.
NullPointerException - The pattern was null.

UncheckedRE

public UncheckedRE(Object pattern,
                   int cflags,
                   RESyntax syntax)
Constructs a regular expression pattern buffer using the specified compilation flags and regular expression syntax.
Parameters:
pattern - A regular expression pattern, in the form of a String, StringBuffer, or char[]. Other input types will be converted to strings using the toString() method.
cflags - The logical OR of any combination of the compilation flags in the RE class.
syntax - The type of regular expression syntax to use.
Throws:
RuntimeException - The input pattern could not be parsed.
NullPointerException - The pattern was null.
gnu/regexp/UncheckedRE.java Copyright (C) 2001, 2004 Free Software Foundation, Inc. This file is part of GNU Classpath. GNU Classpath is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Classpath is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Classpath; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Linking this library statically or dynamically with other modules is making a combined work based on this library. Thus, the terms and conditions of the GNU General Public License cover the whole combination. As a special exception, the copyright holders of this library give you permission to link this library with independent modules to produce an executable, regardless of the license terms of these independent modules, and to copy and distribute the resulting executable under terms of your choice, provided that you also meet, for each linked independent module, the terms and conditions of the license of that module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.

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