| // Copyright (C) 2015 The Android Open Source Project |
| // |
| // 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 main |
| |
| import ( |
| "regexp" |
| ) |
| |
| var regexpCache = make(map[string]*regexp.Regexp) |
| |
| func CompileRegexp(exp string) *regexp.Regexp { |
| re, ok := regexpCache[exp] |
| if !ok { |
| re = regexp.MustCompile(exp) |
| regexpCache[exp] = re |
| } |
| return re |
| } |
