1/* 2 * Copyright (C) 2023 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17class StringUtils { 18 static parseBigIntStrippingUnit(s: string): bigint { 19 const match = s.match(/^\s*(-?\d+)\D*.*$/); 20 if (!match) { 21 throw new Error(`Cannot parse '${s}' as bigint`); 22 } 23 return BigInt(match[1]); 24 } 25} 26 27export {StringUtils}; 28