import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class Example {
public static void main(String[] args) {
final String regex = "(?<=^[\\t ]*|[\\n;](?:[\\t ]*(?:\\w+ )?)?)export(?:(?: *(?<type>type) *)|[\\t\\n ]*)(?<exports>(?:\\*(?: +as +\\S+)?)|\\S+|(?:\\{[\\w\\t\\n\\r \"$'*,./-]+?\\}))[\\t ]*from[\\t ]*[\"']\\s*(?<specifier>(?:(?<=' *)[^']*[^\\s'](?= *'))|(?:(?<=\" *)[^\"]*[^\\s\"](?= *\"))) *[\"']";
final String string = "export { default } from './make'\n"
+ "export { \n"
+ " DEFAULTS,\n"
+ " plugin as default,\n"
+ " type Options\n"
+ "} from './plugin'\n"
+ "export type { Config, Result } from './interfaces'\n"
+ "export type { default as Options } from './options'\n"
+ "export type Foo from '#foo'\n\n"
+ "export type * from \"./spaceship\"\n"
+ "export type * as vehicles from \"./spaceship\"\n"
+ "export * as constants from './constants'\n"
+ "export * from './interfaces'\n"
+ "export * from './lib'\n"
+ "export * from './types'\n"
+ "export * from \"module-name\";\n"
+ "export * as name1 from \"module-name\";var g;export{name1}from\"module-name\";\n"
+ "export { name1, /* */ nameN } from \"module-name\";\n"
+ "export { import1 as name1, import2 as name2, /* */ nameN } from \"module-name\";\n"
+ "export { default, /* */ } from \"module-name\";\n\n"
+ "declare module 'module-name' {\n"
+ " export { default } from './make'\n"
+ " export { \n"
+ " DEFAULTS,\n"
+ " plugin as default,\n"
+ " type Options\n"
+ " } from './plugin'\n"
+ "}\n\n"
+ " export {\n"
+ " DEFAULTS,\n"
+ " plugin as default,\n"
+ " type Options\n"
+ " }\n"
+ " export { defineBuildConfig, type BuildConfig } from \"#src\"\n"
+ " export type {\n"
+ " JsonObject,\n"
+ " LiteralUnion,\n"
+ " Nullable\n"
+ " } from '@flex-development/tutils'\n"
+ " export {\n"
+ " addFive,\n"
+ " addFour,\n"
+ " addThree,\n"
+ " addTwo,\n"
+ " squareFive,\n"
+ " squareFour,\n"
+ " squareThree,\n"
+ " squareTwo\n"
+ " } from './lib'\n"
+ " export * as constants from \"./constants\"\n"
+ " export type { default as Options }\n"
+ " export type { default as Options } from \"./options\"\n"
+ " export * from './utils'\n"
+ " export interface User {}\n"
+ " export abstract class House {}\n"
+ " export const { name1, name2: bar } = o;\n"
+ " export const [ name1, name2 ] = array;\n"
+ " export default async function foo() {}\n"
+ " export default foo\n"
+ " export default 1 + 1;\n"
+ " export type { Config, Result }\n\n"
+ "\"export type { default as Statement }\"\n\n"
+ "export { name1, /* */ nameN };\n"
+ "export { variable1 as name1, variable2 as name2, /* */ nameN };\n"
+ "export { variable1 as \"string name\" };\n"
+ "export { name1 as default /*, */ };\n"
+ "export type { CompilerOptionsJson as default };\n"
+ "export { default }\n"
+ "export { \n"
+ " DEFAULTS,\n"
+ " plugin as default,\n"
+ " type Options\n"
+ "}\n"
+ "export type { Config, Result }\n"
+ "export type { default as Options }\n\n"
+ "var g;export{name1}; export{name1}\n"
+ "export { name1, /* */ nameN }\n"
+ "export { import1 as \", import2 as name2, /* */ nameN }\n"
+ "export { default, /* */ }\n\n"
+ "// export * from './constants'\n\n"
+ "// export type { default as Statement }\n\n\n"
+ "/**\n"
+ " *\n"
+ " * @example\n"
+ " * export { default }\n"
+ " * export { Config, Result }\n"
+ " * export type { default as Options }\n"
+ " */\n\n"
+ "// export * from './constants'\n\n"
+ "//export type { default as Statement } from './statement'\n\n"
+ "/* export type { default as Statement } from './statement' */\n\n"
+ "/*export type { default as Statement } from './statement' */\n\n"
+ "/*\n"
+ " * @example\n"
+ " * export * from './constants'\n"
+ " */\n\n"
+ "/**\n"
+ " * @example\n"
+ " * export * from './constants'\n"
+ " */\n\n"
+ "/**\n"
+ " *\n"
+ " * @example\n"
+ " * export { default } from './make'\n"
+ " * export { Config, Result } from './interfaces'\n"
+ " * export type { default as Options } from './options'\n"
+ " */\n\n"
+ "export type { Config, Result } from './interfaces'";
final Pattern pattern = Pattern.compile(regex);
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