github.com/CycloneDX/sbom-utility@v0.16.0/utils/regex.go (about)

     1  // SPDX-License-Identifier: Apache-2.0
     2  /*
     3   * Licensed to the Apache Software Foundation (ASF) under one or more
     4   * contributor license agreements.  See the NOTICE file distributed with
     5   * this work for additional information regarding copyright ownership.
     6   * The ASF licenses this file to You under the Apache License, Version 2.0
     7   * (the "License"); you may not use this file except in compliance with
     8   * the License.  You may obtain a copy of the License at
     9   *
    10   *     http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing, software
    13   * distributed under the License is distributed on an "AS IS" BASIS,
    14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15   * See the License for the specific language governing permissions and
    16   * limitations under the License.
    17   */
    18  
    19  package utils
    20  
    21  import (
    22  	"fmt"
    23  	"regexp"
    24  )
    25  
    26  func CompileRegex(test string) (expression *regexp.Regexp, err error) {
    27  	if test != "" {
    28  		expression, err = regexp.Compile(test)
    29  		if err != nil {
    30  			err = fmt.Errorf("invalid regular expression: `%s`", test)
    31  		}
    32  	}
    33  	return
    34  }