preg_quote java implementation

preg_quote.java

package com.gbi.utils;

import jregex.Pattern;
import jregex.PatternSyntaxException;

public class RegexUtil {

	/**
	 * Java implementation of preg_quote
	 * {@link http://phpjs.org/functions/preg_quote/}
	 * @param pStr - string to be REGEX quoted
	 * @return quoted string
	 */
	public static String preg_quote(String pStr) {
		return pStr.replaceAll("[.\\\\+*?\\[\\^\\]$(){}=!<>|:\\-]", "\\\\$0");
	}

	public static String preg_quote2(String pStr) {
		// discuss at: http://phpjs.org/functions/preg_quote/
		// original by: booeyOH
		// improved by: Ates Goral (http://magnetiq.com)
		// improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
		// improved by: Brett Zamir (http://brett-zamir.me)
		// bugfixed by: Onno Marsman
		// example 1: preg_quote("$40");
		// returns 1: '\\$40'
		// example 2: preg_quote("*RRRING* Hello?");
		// returns 2: '\\*RRRING\\* Hello\\?'
		// example 3: preg_quote("\\.+*?[^]$(){}=!<>|:");
		// returns 3:
		// '\\\\\\.\\+\\*\\?\\[\\^\\]\\$\\(\\)\\{\\}\\=\\!\\<\\>\\|\\:'

		return new Pattern("[.\\\\+*?\\[\\^\\]$()\\{\\}=!<>|:\\-]").replacer(
				"\\\\$&").replace(pStr);
		// return "";
	}

	public static boolean validRegex(String pTriggerValue) {
		try {
			new Pattern(pTriggerValue);
			return true;
		} catch (PatternSyntaxException e) {
			return false;
		}
	}

}