import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(?<=^|;|<\\?php\\s|<\\?\\s)(\\s*?)(\\h*\\$(\\w+)\\s*=)(\\s*([\\'\"].*?[\\'\"]|.*?)\\s*;)";
final String string = "<?php\n"
+ "/**\n"
+ " * The base configuration for WordPress\n"
+ " *\n"
+ " * The wp-config.php creation script uses this file during the\n"
+ " * installation. You don't have to use the web site, you can\n"
+ " * copy this file to \"wp-config.php\" and fill in the values.\n"
+ " *\n"
+ " * This file contains the following configurations:\n"
+ " *\n"
+ " * * MySQL settings\n"
+ " * * Secret keys\n"
+ " * * Database table prefix\n"
+ " * * ABSPATH\n"
+ " *\n"
+ " * @link https://codex.wordpress.org/Editing_wp-config.php\n"
+ " *\n"
+ " * @package WordPress\n"
+ " */\n\n"
+ "// ** MySQL settings - You can get this info from your web host ** //\n"
+ "/** The name of the database for WordPress */\n"
+ "define('DB_NAME', 'database_name_here');\n\n"
+ "/** MySQL database username */\n"
+ "define('DB_USER', 'username_here');\n\n"
+ "/** MySQL database password */\n"
+ "define('DB_PASSWORD', 'password_here');\n\n"
+ "/** MySQL hostname */\n"
+ "define('DB_HOST', 'localhost');\n\n"
+ "/** Database Charset to use in creating database tables. */\n"
+ "define('DB_CHARSET', 'utf8');\n\n"
+ "/** The Database Collate type. Don't change this if in doubt. */\n"
+ "define('DB_COLLATE', '');\n\n"
+ "/**#@+\n"
+ " * Authentication Unique Keys and Salts.\n"
+ " *\n"
+ " * Change these to different unique phrases!\n"
+ " * You can generate these using the {@link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org secret-key service}\n"
+ " * You can change these at any point in time to invalidate all existing cookies. This will force all users to have to log in again.\n"
+ " *\n"
+ " * @since 2.6.0\n"
+ " */\n"
+ "define('AUTH_KEY', 'put your unique phrase here');\n"
+ "define('SECURE_AUTH_KEY', 'put your unique phrase here');\n"
+ "define('LOGGED_IN_KEY', 'put your unique phrase here');\n"
+ "define('NONCE_KEY', 'put your unique phrase here');\n"
+ "define('AUTH_SALT', 'put your unique phrase here');\n"
+ "define('SECURE_AUTH_SALT', 'put your unique phrase here');\n"
+ "define('LOGGED_IN_SALT', 'put your unique phrase here');\n"
+ "define('NONCE_SALT', 'put your unique phrase here');\n\n"
+ "/**#@-*/\n\n"
+ "/**\n"
+ " * WordPress Database Table prefix.\n"
+ " *\n"
+ " * You can have multiple installations in one database if you give each\n"
+ " * a unique prefix. Only numbers, letters, and underscores please!\n"
+ " */\n"
+ "$table_prefix = 'wp_';\n\n"
+ "/**\n"
+ " * For developers: WordPress debugging mode.\n"
+ " *\n"
+ " * Change this to true to enable the display of notices during development.\n"
+ " * It is strongly recommended that plugin and theme developers use WP_DEBUG\n"
+ " * in their development environments.\n"
+ " *\n"
+ " * For information on other constants that can be used for debugging,\n"
+ " * visit the Codex.\n"
+ " *\n"
+ " * @link https://codex.wordpress.org/Debugging_in_WordPress\n"
+ " */\n"
+ "define('WP_DEBUG', false);\n\n"
+ "//$test_update_no_match = 'thevalue';\n"
+ "// $test_update_no_match = 'thevalue';\n\n"
+ "$test_multiple_line_1 = 'the);value';$test_multiple_line_2 = 'thevalue'; $test_multiple_line_3 = 'thevalue';\n\n"
+ "$test_update_1 = 'thevalue';\n"
+ "$test_update_2='thevalue';\n"
+ " $test_update_3 = 'thevalue' ;\n"
+ " $test_update_4\n"
+ " =\n"
+ " 'thevalue'\n"
+ " ;\n"
+ "$test_update_5\n"
+ "= 'thevalue';\n"
+ " $test_update_6 = \"thevalue\" ;\n"
+ "$test_update_7 =\"thevalue\"\n"
+ ";\n"
+ " $test_update_8=\"thevalue\";\n"
+ "$test_update_9 ='thevalue' ;\n"
+ "$test_update_10=\n"
+ "'thevalue' ;\n\n"
+ "/* That's all, stop editing! Happy blogging. */\n\n"
+ "/** Absolute path to the WordPress directory. */\n"
+ "if ( !defined('ABSPATH') )\n"
+ " define('ABSPATH', dirname(__FILE__) . '/');\n\n"
+ "/** Sets up WordPress vars and included files. */\n"
+ "require_once(ABSPATH . 'wp-settings.php');\n";
final Pattern pattern = Pattern.compile(regex, Pattern.CASE_INSENSITIVE | Pattern.MULTILINE | Pattern.DOTALL);
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