net.obvj.jep.util

Class RegexUtils

java.lang.Object

net.obvj.jep.util.RegexUtils

public class RegexUtils
extends Object

A utility class for working with regular expressions in strings.

Author:

oswaldo.bapvic.jr

Method Summary

Modifier and Type	Method and Description
static List<String>	findMatches(String string, Pattern pattern) Returns the matches found for a given string using regular expression.
static List<String>	findMatches(String string, String regex) Returns the matches found for a given string using regular expression.
static List<String>	findUnixLikeVariablePlaceholders(String string) Method that finds the place-holders in Unix-like pattern for the given string.
static String	firstMatch(String string, Pattern pattern) Returns the first match found for a given string using regular expression.
static String	firstMatch(String string, String regex) Returns the first match found for a given string using regular expression.
static boolean	hasUnixLikeVariablePlaceholders(String string) Checks if the string has place-holders for variables in Unix-like pattern.
static boolean	matches(String string, Pattern pattern) Returns true if the given string contains at least one match of the given pattern.
static boolean	matches(String string, String regex) Returns true if the given string contains at least one match of the given regular expression.
static String	replaceMatches(String string, String regex, String replacement) Replaces all matches found for the given regular expression with a replacement string.
static String	replacePlaceholdersWithVariables(String string, Map<String,Object> variables) Method to replace place-holders with variables.

Methods inherited from class java.lang.Object

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

Method Detail

matches

public static boolean matches(String string,
                              Pattern pattern)

Returns true if the given string contains at least one match of the given pattern.

Parameters:

string - The string to be matched

pattern - The pattern to use

Returns:

true if matches, otherwise false

matches

public static boolean matches(String string,
                              String regex)

Returns true if the given string contains at least one match of the given regular expression.

Parameters:

string - The string to be matched

regex - The regular expression to use

Returns:

true if matches, otherwise false

findMatches

public static List<String> findMatches(String string,
                                       Pattern pattern)

Returns the matches found for a given string using regular expression.

Parameters:

string - The string to be matched

pattern - The pattern to use

Returns:

A list containing all matches of the given pattern within the string

findMatches

public static List<String> findMatches(String string,
                                       String regex)

Returns the matches found for a given string using regular expression.

Parameters:

string - The string to be matched

regex - The regular expression to use

Returns:

A list containing all matches of the given regular expression within the string

firstMatch

public static String firstMatch(String string,
                                Pattern pattern)

Returns the first match found for a given string using regular expression.

Parameters:

string - The string to be matched

pattern - The pattern to use

Returns:

The first match found for the given pattern within the string

firstMatch

public static String firstMatch(String string,
                                String regex)

Returns the first match found for a given string using regular expression.

Parameters:

string - The string to be matched

regex - The regular expression to use

Returns:

The first match of the given regular expression found within the string

replaceMatches

public static String replaceMatches(String string,
                                    String regex,
                                    String replacement)

Replaces all matches found for the given regular expression with a replacement string.

Parameters:

string - The string to be matched

regex - The regular expression to use

replacement - The replacement string

Returns:

The first match found for the given pattern within the string

hasUnixLikeVariablePlaceholders

public static boolean hasUnixLikeVariablePlaceholders(String string)

Checks if the string has place-holders for variables in Unix-like pattern.

Parameters:

string - the string to be replaced

Returns:

a boolean value which means it has or not place-holders in Unix-like pattern

findUnixLikeVariablePlaceholders

public static List<String> findUnixLikeVariablePlaceholders(String string)

Method that finds the place-holders in Unix-like pattern for the given string.

Parameters:

string - the string to be used to find place-holders

Returns:

the string set with the found place-holders

replacePlaceholdersWithVariables

public static String replacePlaceholdersWithVariables(String string,
                                                      Map<String,Object> variables)

Method to replace place-holders with variables.

Parameters:

string - The given string to be replaced

variables - A map containing place-holder names and value that will be used in replacement

Returns:

The string with the replaced place-holders