public Pattern getPattern() {
	if ((this.pattern == null) && (alias != null)) {
		this.pattern = Pattern.compile("\\s*" + ParserUtility.wildcardToRegex(alias));
	}	
	return pattern;
}
public Pattern getPattern() {
	if ((this.pattern == null) && (alias != null)) {
		this.pattern = Pattern.compile("\\s*" + ParserUtility.wildcardToRegex(alias));
	}	
	return pattern;
}
public Pattern getPattern ( ) { if ( ( this . pattern == null ) && ( alias != null ) ) { this . pattern = Pattern . compile ( "\\s*" + ParserUtility . wildcardToRegex ( alias ) ) ; } return pattern ; }
Gets the pattern.

@return the pattern
Gets the pattern .