package com.company;


import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class RegExpDemo {


    public static void main(String[] args) {
        String[] data = {
                "interInfo.middNode(buff,\"卡号\",trade.text_借记卡号.getText());\n",
                "interInfo.middNode(buff,\"1234566790019\",trade.text_1234567890.getText());\n",
                "interInfo.middNode(buff,\"abcdefg\",trade.text_hijklmn.getText());\n",
        };


        Pattern patternCardNumber = Pattern.compile("\"(\\w+)\"", Pattern.UNICODE_CHARACTER_CLASS);
        Pattern patternDebitCardNumber = Pattern.compile("trade.text_(\\w+).getText\\(\\)", Pattern.UNICODE_CHARACTER_CLASS);
        Matcher matcherCardNumber = null;
        Matcher matcherDebitCardNumber = null;
        for (String str: data) {
            matcherCardNumber = patternCardNumber.matcher(str);
            while (matcherCardNumber.find()) {
                System.out.println(matcherCardNumber.group(0));
                System.out.println(matcherCardNumber.group(1));
            }
            matcherDebitCardNumber = patternDebitCardNumber.matcher(str);
            while (matcherDebitCardNumber.find()) {
                System.out.println(matcherDebitCardNumber.group(0));
                System.out.println(matcherDebitCardNumber.group(1));
            }
            System.out.println();
        }
    }

}

output:

"卡号"
卡号
trade.text_借记卡号.getText()
借记卡号

"1234566790019"
1234566790019
trade.text_1234567890.getText()
1234567890

"abcdefg"
abcdefg
trade.text_hijklmn.getText()
hijklmn

."(.)",trade\.(.*)\);