import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "([^\\|\\s]\\s*\\[x\\]\\s*\\K[^!|\\n]*|(?:\\G(?!\\A)\\||(?<=\\[x]\\s)\\s*\\|)\\K[^|\\n]*(?=\\|))|([^\\|\\s]\\s*\\[x\\]\\s*\\!\\s*\\K[^|\\n]*|(?:\\G(?!\\A)\\||(?<=\\[x]\\s)\\s*\\!\\s*\\|)\\K[^|\\n]*(?=\\|))";
final String string = "Text for testing:\n"
+ "- [x] Example task. | Task ends. [x] Another task.\n"
+ "- [x] ! Example task. | This ends. [x] ! Another task.\n\n"
+ "This is a sentence. [x] Task is here.\n"
+ "Other text. Another [x] ! Task is here.\n\n"
+ "| | Task name | Plan | Actual | File |\n"
+ "| :---- | :-------------| :---------: | :---------: | :------------: |\n"
+ "| [x] | Task example. | 08:00-08:45 | 08:00-09:00 | [[task-one]] |\n"
+ "| [x] ! | Task example. | 08:00-08:45 | 08:00-09:00 | [[task-one]] |\n\n"
+ "Description:\n"
+ "- $1:\n"
+ " - outside the table: capture everything after `[x]` (i.e., not followed by `!`) until a `|`\n"
+ " - inside the table: capture everything after `[x]` (i.e., not followed by `!`) excluding the `|` symbols\n"
+ "- $2:\n"
+ " - outside the table: capture everything after `[x] !` until a `|`\n"
+ " - inside the table: capture everything after `[x] !` excluding the `|` symbols\n\n"
+ "Expressions for each group:\n"
+ "- $1:\n"
+ " - outside the table: [^\\|\\s]\\s*\\[x\\]\\s*\\K[^!|\\n]*\n"
+ " - inside the table: (?:\\G(?!\\A)\\||(?<=\\[x]\\s)\\s*\\|)\\K[^|\\n]*(?=\\|)\n"
+ "- $2:\n"
+ " - outside the table: [^\\|\\s]\\s*\\[x\\]\\s*\\!\\s*\\K[^|\\n]*\n"
+ " - inside the table: (?:\\G(?!\\A)\\||(?<=\\[x]\\s)\\s*\\!\\s*\\|)\\K[^|\\n]*(?=\\|)\n\n"
+ "Combined expression:\n"
+ "([^\\|\\s]\\s*\\[x\\]\\s*\\K[^!|\\n]*|(?:\\G(?!\\A)\\||(?<=\\[x]\\s)\\s*\\|)\\K[^|\\n]*(?=\\|))|([^\\|\\s]\\s*\\[x\\]\\s*\\!\\s*\\K[^|\\n]*|(?:\\G(?!\\A)\\||(?<=\\[x]\\s)\\s*\\!\\s*\\|)\\K[^|\\n]*(?=\\|))\n";
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