com.microej.stringregex

Class StringRegexExtension

java.lang.Object

com.microej.stringregex.StringRegexExtension

public class StringRegexExtension
extends java.lang.Object

Extension regex methods for the String class.

Constructor Summary

Constructors

Constructor and Description
StringRegexExtension()

Method Summary

Modifier and Type	Method and Description
static boolean	matches(java.lang.String self, java.lang.String regex) Tells whether or not this string matches the given regular expression.
static java.lang.String	replaceAll(java.lang.String self, java.lang.String regex, java.lang.String replacement) Replaces each substring of this string that matches the given regular expression with the given replacement.
static java.lang.String	replaceFirst(java.lang.String self, java.lang.String regex, java.lang.String replacement) Replaces the first substring of this string that matches the given regular expression with the given replacement.
static java.lang.String[]	split(java.lang.String self, java.lang.String regex) Splits this string around matches of the given regular expression.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringRegexExtension

public StringRegexExtension()

Method Detail

replaceFirst

public static java.lang.String replaceFirst(java.lang.String self,
                                            java.lang.String regex,
                                            java.lang.String replacement)

Replaces the first substring of this string that matches the given regular expression with the given replacement.

Parameters:

self - the original string, corresponding to this, to replace the first match from

regex - the regular expression to which this string is to be matched

replacement - the string to be substituted for the first match

Returns:

The resulting String

Throws:

PatternSyntaxException - if the regular expression's syntax is invalid

replaceAll

public static java.lang.String replaceAll(java.lang.String self,
                                          java.lang.String regex,
                                          java.lang.String replacement)

Replaces each substring of this string that matches the given regular expression with the given replacement.

Parameters:

self - the original string, corresponding to this, to replace matches from

regex - the regular expression to which this string is to be matched

replacement - the string to be substituted for each match

Returns:

The resulting String

Throws:

PatternSyntaxException - if the regular expression's syntax is invalid

split

public static java.lang.String[] split(java.lang.String self,
                                       java.lang.String regex)

Splits this string around matches of the given regular expression. Trailing empty strings are not included in the resulting array.

Parameters:

self - the original string, corresponding to this, to be split

regex - the delimiting regular expression

Returns:

the array of strings computed by splitting this string around matches of the given regular expression

Throws:

PatternSyntaxException - if the regular expression's syntax is invalid

matches

public static boolean matches(java.lang.String self,
                              java.lang.String regex)

Tells whether or not this string matches the given regular expression.

Parameters:

self - the original string, corresponding to this, to check for matching

regex - the regular expression to which this string is to be matched

Returns:

true if, and only if, this string matches the given regular expression

Throws:

PatternSyntaxException - if the regular expression's syntax is invalid