vodserver.util

Class RegExUtil

java.lang.Object

vodserver.util.RegExUtil

public final class RegExUtil
extends Object

This class contains utility methods for working with regular expressions.

Author:

Ruud Senden

Constructor Summary

Constructors

Constructor and Description
RegExUtil()

Method Summary

Methods

Modifier and Type	Method and Description
static Map<String,String>	findByGroupNames(String content, String pattern) Find the first match of the given pattern in the given content, returning a map of all regex group names, with their corresponding values.
static Map<String,String>	findByGroupNames(String content, String pattern, Set<String> groupNames) Find the first match of the given pattern in the given content, returning a map of all regex group names corresponding with the given list of group names, with their corresponding values.
static String	findByGroupNumber(String content, String pattern, int group) Find the first match of the given pattern in the given content, returning the value for the given group number.
static String	findFirst(String content, String pattern) Find the first match of the given regular expression.
static Set<String>	findNamedGroups(String regex) Find the regular expression group names (defined with (?<name>...) contained in the given regular expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

RegExUtil

public RegExUtil()

Method Detail

findNamedGroups

public static final Set<String> findNamedGroups(String regex)

Find the regular expression group names (defined with (?<name>...) contained in the given regular expression.

Parameters:

regex -

Returns:

findByGroupNames

public static final Map<String,String> findByGroupNames(String content,
                                  String pattern,
                                  Set<String> groupNames)

Find the first match of the given pattern in the given content, returning a map of all regex group names corresponding with the given list of group names, with their corresponding values. Note that this will match the regular expression only once. For example, (?<grp1>...)|(?<grp2>...) will only find either grp1 or grp2, whichever is found first.

Parameters:

content -

pattern -

groupNames -

Returns:

findByGroupNames

public static final Map<String,String> findByGroupNames(String content,
                                  String pattern)

Find the first match of the given pattern in the given content, returning a map of all regex group names, with their corresponding values. Note that this will match the regular expression only once. For example, (?<grp1>...)|(?<grp2>...) will only find either grp1 or grp2, whichever is found first.

Parameters:

content -

pattern -

groupNames -

Returns:

findByGroupNumber

public static final String findByGroupNumber(String content,
                       String pattern,
                       int group)

Find the first match of the given pattern in the given content, returning the value for the given group number.

Parameters:

content -

pattern -

group -

Returns:

findFirst

public static final String findFirst(String content,
               String pattern)

Find the first match of the given regular expression.

Parameters:

content -

pattern -

Returns: