com.github.sisyphsu.retree

类 ReMatcher

java.lang.Object

com.github.sisyphsu.retree.ReMatcher

所有已实现的接口:

MatchResult

public final class ReMatcher
extends Object
implements MatchResult

The Context of Matcher and MultiMatcher

从以下版本开始:

2019-09-03 15:06:49

作者:

sulin

构造器概要

构造器

构造器和说明
ReMatcher(ReTree tree, CharSequence input) Initialize Matcher by the specified regular expression tree and input.
ReMatcher(String... res) Construction for convenience.

方法概要

限定符和类型	方法和说明
int	end()
int	end(int groupIndex)
boolean	find() Execute once regular expression finding operation from the previous offset.
boolean	find(int offset) Execute once regular expression finding operation from the specefic offset.
String	group()
String	group(int groupIndex)
CharSequence	group(String groupName) Fetch captured group by its name.
int	groupCount()
String	groupName(int groupIndex) Fetch the specified capture-group's name by its index.
boolean	matches() Execute regular expression matching operation
boolean	matches(CharSequence input) Reset the current matcher's input, then execute matches.
String	re() Fetch the matched regular expression as string.
ReMatcher	reset(CharSequence input) Reset this matcher by another input, could be used for reusing
int	start()
int	start(int groupIndex)

从类继承的方法 java.lang.Object

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

构造器详细资料

ReMatcher

public ReMatcher(String... res)

Construction for convenience.

参数:

res - All regular expression

ReMatcher

public ReMatcher(ReTree tree,
                 CharSequence input)

Initialize Matcher by the specified regular expression tree and input.

参数:

tree - ReTree represents multiple regular expression.

input - The default input, which could be changed by {reset(CharSequence)}

方法详细资料

reset

public ReMatcher reset(CharSequence input)

Reset this matcher by another input, could be used for reusing

参数:

input - New input

返回:

This

matches

public boolean matches()

Execute regular expression matching operation

返回:

success or not

matches

public boolean matches(CharSequence input)

Reset the current matcher's input, then execute matches.

参数:

input - New input

返回:

success or not

find

public boolean find()

Execute once regular expression finding operation from the previous offset.

返回:

success or not

find

public boolean find(int offset)

Execute once regular expression finding operation from the specefic offset.

参数:

offset - The starting position

返回:

success or not

start

public int start()

指定者:

start 在接口中 MatchResult

start

public int start(int groupIndex)

指定者:

start 在接口中 MatchResult

end

public int end()

指定者:

end 在接口中 MatchResult

end

public int end(int groupIndex)

指定者:

end 在接口中 MatchResult

group

public String group()

指定者:

group 在接口中 MatchResult

group

public String group(int groupIndex)

指定者:

group 在接口中 MatchResult

groupCount

public int groupCount()

指定者:

groupCount 在接口中 MatchResult

group

public CharSequence group(String groupName)

Fetch captured group by its name.

参数:

groupName - Group's name

返回:

Captured input

re

public String re()

Fetch the matched regular expression as string. Throw exception if didn't match any regular expression.

返回:

The regular expression has matched.

groupName

public String groupName(int groupIndex)

Fetch the specified capture-group's name by its index. Return null if this group hasn't name. Throw exception if the index is invalid. Throw exception if didn't match any regular expression.

参数:

groupIndex - group's index

返回:

return null if the group hasn't name.