import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "\\b((bc|tb)(0([ac-hj-np-z02-9]{39}|[ac-hj-np-z02-9]{59})|1[ac-hj-np-z02-9]{8,87})|([13]|[mn2])[a-km-zA-HJ-NP-Z1-9]{25,39})\\b\\s";
final String string = "BTC Address: 1JHwenDp9A98XdjfYkHKyiE3R99Q72K9X4 \n"
+ "BTC Address: 1Unoc4af6gCq3xzdDFmGLpq18jbTW1nZD\n"
+ "BTC Address: 1A8Ad7VbWDqwmRY6nSHtFcTqfW2XioXNmj\n"
+ "BTC Address: 12CZYvgNZ2ze3fGPFzgbSCELBJ6zzp2cWc\n"
+ "BTC Address: 17drmHLZMsCRWz48RchWfrz9Chx1osLe67\n\n"
+ "Receiving Bitcoin Address: 15LZALXitpbkK6m2QcbeQp6McqMvgeTnY8\n"
+ "Receiving Bitcoin Address: 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5\n\n"
+ "--------------------------------------------------------\n"
+ "Other possible BitCoin test cases I added:\n"
+ "--------------------------------------------------------\n"
+ "- What if text comes before and/or after on same line? Or doesn't contain BitCoin/BTC/etc. anywhere (or anywhere close to the address)?\n"
+ " Send BitCoin payments here 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5\n"
+ " 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5 to keep your secrets safe.\n"
+ " Send payments here 1MAFzYQhm6msF2Dxo3Nbox7i61XvgQ7og5 to keep your secrets safe.\n\n"
+ "- Standalone address:\n"
+ " 1Dvd7Wb72JBTbAcfTrxSJCZZuf4tsT8V72\n\n"
+ "--------------------------------------------------------\n"
+ "Redacted Body content generating FPs from spam emails:\n"
+ "--------------------------------------------------------\n"
+ "src=3D\"https://example.com/blah=3D2159024400&t=3DXWP9YVkAYwkmif9RgKeoPhw2b1zdMnMzXZSGRD_Oxkk\"\n\n"
+ "\"cursor:pointer;color:#6A6C6D;-webkit-text-size-blahutm_campaign%253Drdboards%2526e_t%253Dd5c2deeaae5c4a8b8d2bff4d0f87ecdd%2526utm_cont=blah\n\n"
+ "src=3D\"https://example.com/blah/74/328e74997261d5228886aab1a2da6874.jpg\" \n\n"
+ "src=3D\"https://example.com/blah-1c779f59948fc5be8a461a4da8d938aa.jpg\"\n\n"
+ "href=3D\"https://example.com/blah-0ff3169b28a6e17ae8a369a3161734c1?alert_=id=blah";
final Pattern pattern = Pattern.compile(regex, Pattern.MULTILINE);
final Matcher matcher = pattern.matcher(string);
while (matcher.find()) {
System.out.println("Full match: " + matcher.group(0));
for (int i = 1; i <= matcher.groupCount(); i++) {
System.out.println("Group " + i + ": " + matcher.group(i));
}
}
}
}
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for Java, please visit: https://docs.oracle.com/javase/7/docs/api/java/util/regex/Pattern.html