org.deeplearning4j.text.tokenization.tokenizer.preprocessor.StringCleaning Maven / Gradle / Ivy
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://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.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
package org.deeplearning4j.text.tokenization.tokenizer.preprocessor;
import java.util.regex.Pattern;
/**
* Various string cleaning utils
* @author Adam GIbson
*/
public class StringCleaning {
private static final Pattern punctPattern = Pattern.compile("[\\d\\.:,\"\'\\(\\)\\[\\]|/?!;]+");
private StringCleaning() {}
/**
* Removes ASCII punctuation marks, which are: 0123456789.:,"'()[]|/?!;
* @param base the base string
* @return the cleaned string
*/
public static String stripPunct(String base) {
return punctPattern.matcher(base).replaceAll("");
}
}