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Venice, a sandboxed Lisp implemented in Java.

There is a newer version: 1.12.34

/*   __    __         _
 *   \ \  / /__ _ __ (_) ___ ___
 *    \ \/ / _ \ '_ \| |/ __/ _ \
 *     \  /  __/ | | | | (_|  __/
 *      \/ \___|_| |_|_|\___\___|
 *
 *
 * Copyright 2017-2024 Venice
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.jlangch.venice.impl.sandbox;

import java.util.regex.Pattern;


public class SandboxRuleCompiler {

    public static Pattern compile(final String rule) {
        String rule_ = rule;

        rule_ = rule_.replace("$", "[$]");
        rule_ = rule_.replace(".", "[.]");
        rule_ = rule_.replaceAll("[*][*]", "@@");
        rule_ = rule_.replaceAll("[*]", "[^./:]*");
        rule_ = rule_.replaceAll("@@", ".*");

        return Pattern.compile(rule_);
    }
}