com.sapportals.wcm.util.regex.re

Class RECompiler

java.lang.Object
  com.sapportals.wcm.util.regex.re.RECompiler

Direct Known Subclasses:

REDebugCompiler

public class RECompiler

extends Object

A regular expression compiler class. This class compiles a pattern string into a regular expression program interpretable by the RE evaluator class. The 'recompile' command line tool uses this compiler to pre-compile regular expressions for use with RE. For a description of the syntax accepted by RECompiler and what you can do with regular expressions, see the documentation for the RE matcher class.

See Also:

RE, recompile

Constructor Summary

RECompiler()
Constructor.

Method Summary

REProgram

compile(String pattern) Compiles a regular expression pattern into a program runnable by the pattern matcher class 'RE'.

Methods inherited from class java.lang.Object

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

Constructor Detail

RECompiler

public RECompiler()

Constructor. Creates (initially empty) storage for a regular expression program.

Method Detail

compile

public REProgram compile(String pattern)
                  throws RESyntaxException

Compiles a regular expression pattern into a program runnable by the pattern matcher class 'RE'.

Parameters:

pattern - Regular expression pattern to compile (see RECompiler class for details).

Returns:

A compiled regular expression program.

Throws:

RESyntaxException - Thrown if the regular expression has invalid syntax.

See Also:

RECompiler, RE