PerCederberg.Grammatica.Runtime.RE
Class RegExp

System.Object
   |
   +--RegExp

public class RegExp

extends System.Object

A regular expression. This class creates and holds an internal data structure representing a regular expression. It also allows creating matchers. This class is thread-safe. Multiple matchers may operate simultanously on the same regular expression.

RegExp

public RegExp( string pattern );

Creates a new case-sensitive regular expression.

Parameters:

pattern - the regular expression pattern

Throws:

RegExpException - if the regular expression couldn't be parsed correctly

RegExp

public RegExp( string pattern, bool ignoreCase );

Creates a new regular expression. The regular expression can be either case-sensitive or case-insensitive.

Parameters:

pattern - the regular expression pattern

ignoreCase - the character case ignore flag

Throws:

RegExpException - if the regular expression couldn't be parsed correctly

Since:

1.5

Matcher

public Matcher Matcher( string str );

Creates a new matcher for the specified string.

Parameters:

str - the string to work with

Returns:

the regular expresion matcher

Matcher

public Matcher Matcher( ReaderBuffer buffer );

Creates a new matcher for the specified look-ahead character input stream.

Parameters:

buffer - the character input buffer

Returns:

the regular expresion matcher

Since:

1.5

ToString

public override string ToString();

Returns a string representation of the regular expression.

Returns:

a string representation of the regular expression