Package com.atlassian.jira.util

Class RegexpUtils

java.lang.Object

com.atlassian.jira.util.RegexpUtils

public class RegexpUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
RegexpUtils()

Method Summary

Modifier and Type	Method	Description
static String	replaceAll(String str, String regex, String replacement)	Equivalent of JDK 1.4's String.replaceAll(String regex, String replacement), usable in JDK 1.3
static String	wildcardToRegex(String wildcard)	Convert a wildcard to a java.util.regexp (ie '*' becomes '.*' and '?' becomes '.').
static String	wildcardToRegex(String wildcard, boolean exactMatchRequired)	Convert a wildcard to a java.util.regexp (ie '*' becomes '.*' and '?' becomes '.').

Methods inherited from class java.lang.Object

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

Constructor Details

RegexpUtils

public RegexpUtils()

Method Details

replaceAll

public static String replaceAll(String str,
 String regex,
 String replacement)

Equivalent of JDK 1.4's String.replaceAll(String regex, String replacement), usable in JDK 1.3

Parameters:

str - The string to apply operations to

regex - The regex that str should match

replacement - String to replace matched string with (using $1, $2 etc for substitutions).

Returns:

A modified version of str, or null if the regexp was invalid

wildcardToRegex

public static String wildcardToRegex(String wildcard)

Convert a wildcard to a java.util.regexp (ie '*' becomes '.*' and '?' becomes '.').

Note that this converts wildcards to an exact match, so searching for 'a' becomes '^a$'.

Copied from http://www.rgagnon.com/javadetails/java-0515.html

Parameters:

wildcard - A wildcard which can contain '*' and '?' characters

Returns:

A regular expression that can be passed to java.util.regexp

wildcardToRegex

public static String wildcardToRegex(String wildcard,
 boolean exactMatchRequired)

Convert a wildcard to a java.util.regexp (ie '*' becomes '.*' and '?' becomes '.').

Note if second parameter is true the wildcard will be converted to an exact match, so searching for 'a' will become '^a$'.

Parameters:

wildcard - A wildcard which can contain '*' and '?' characters

exactMatchRequired - A flag indicating if exact match is required

Returns:

A regular expression that can be passed to java.util.regexp