Contains regular expressions for SMSes returned when payment is done using the mobile money/bank providers. Regex can be tested at Regex planet https://www.regexplanet.com/ . The REGEX contains named groups which can help you extract particular information for that transaction which can be used for accountability and confirmation

sms_regex_malawi.java

    /*
 * Copyright (c) 2019 Lomaku Technologies.
 * All Rights Reserved.
 * 40 Estate Road, Angelo Goveya, Limbe.
 * +265 999 388 747
 * https://github.com/LomakuIT
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software
 * without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
 */
   /* @author: github.com/MakawaMT */
   
    public static final String KEY_PROVIDER_MO_626_SMS = "626626";
    public static final String KEY_PROVIDER_AIRTEL_MONEY_SMS = "AirtelMoney";
    public static final String KEY_PROVIDER_TNM_MPAMBA_SMS = "MPAMBA";
    public static final String KEY_PROVIDER_FDH_SMS = "FDHAlert";
    
    public static final String REGEX_MPAMBA = "[A-Za-z]{5}[\s]*[A-Za-z]{4}[\s]*[A-Za-z]{2}[\s]*(?<account>[0-9]{10})[\s]*(?<firstname>[A-Za-z]{1,15})[\s]*(?<surname>[A-Za-z]{1,15})[\s]*[A-Za-z]{2}[\s]*(?<day>[0-9\\/]{3})(?<month>[0-9\\/]{3})(?<year>[0-9]{4})[\s]*(?<hour>[0-9\\:]{3})(?<minute>[0-9\\:]{3})(?<second>[0-9\\.]{3})[\s]*Amount: (?<amount>[0-9\,\.]+)[\\s]*MWK[\s]*Fee: (?<fee>[0-9\,\.]+)MWK[\s]*Ref: (?<reference>[A-Z0-9]{10})[\s]*Bal: (?<balance>[0-9\,\.]+)MWK[\s]*";
    public static final String REGEX_AIRTEL = ".*money[\s]*transfer[\s]*to[\s]*(?<account>[0-9]+)[\s\,]*(?<name>[A-Za-z\s]+)[\s]+is[\s]*successful,[\s]*Trans[\s]*Id:[\s]*(?<reference>[\w\.]+)[\,]+[\s]*Trans[\s]*Amt:[\s]*MK[\s]*(?<amount>[0-9\.\,]+)[\s]+.*available[\s]*balan[c]+e[\s]*MK[\s]*(?<balance>[0-9\,\.]+).*";
    public static final String REGEX_MO626 = ".*[\,\s]*Acc:[\s]*(?<sender>[0-9]+)[\s]*got[\s]*a[\s]*[A-Za-z]+[\s]*[A-Za-z]+[\s]*by[\s]*[A-Za-z0-9]+[\s]*of[\s]*MWK(?<amount>[0-9.]+)DR[\s]*To:[\s]*(?<account>[0-9]+)[\s]*Desc:[\s]*(?<ticket>[A-Z0-9]+).[\s]*Date:[\s]*.*[\s]*Ref:[\s]*(?<reference>[A-Z0-9\\]+).*";
    public static final String REGEX_FDH = ".*--[\s]*FDH[\s]*BANK[\s]*--[\s]*Txn[\s]*Alert:[\s]*(?<account>[0-9]+)[\s]*Amount:[\s]*MWK(?<amount>[0-9.v ]+)DR[\s]*on:[\s]*.*[\s]*Txn[\s]*Narr:[\s]*(?<reference>[a-zA-Z0-9\s]+)[\s]*Avail[\s]Bal:[\s]*MWK(?<balance>[0-9.]+).*";