go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/common/data/text/pattern/regexp.go (about)

     1  // Copyright 2015 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package pattern
    16  
    17  import "regexp"
    18  
    19  type regexpMatch struct {
    20  	r *regexp.Regexp
    21  }
    22  
    23  func (m regexpMatch) Match(s string) bool {
    24  	return m.r.MatchString(s)
    25  }
    26  
    27  func (m regexpMatch) String() string {
    28  	return "regex:" + m.r.String()
    29  }
    30  
    31  // Regexp returns a regular expression-based pattern.
    32  func Regexp(expr *regexp.Regexp) Pattern {
    33  	return regexpMatch{expr}
    34  }