RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 14:27:35 +00:00
Code Issues Activity Actions

LibRegex: Implement multiline stateful matches

Browse source
This commit is contained in:
Ali Mohammad Pur 2021-04-23 03:55:19 +04:30 • committed by Linus Groh
parent bb40d4d5ff
commit bf9c04a3da
2 changed files with 69 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

50
Userland/Libraries/LibJS/Tests/builtins/RegExp/RegExp.prototype.exec.js
View file

@ -155,3 +155,53 @@ test("undefined match result", () => {
r.exec = () => ({});
expect(r[Symbol.replace]()).toBe("undefined");
});
// Multiline test
test("multiline match", () => {
let reg = /\s*\/\/.*$/gm;
let string = `
(
(?:[a-fA-F\d]{1,4}:){7}(?:[a-fA-F\d]{1,4}|:)| // 1:2:3:4:5:6:7:: 1:2:3:4:5:6:7:8
(?:[a-fA-F\d]{1,4}:){6}(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|:[a-fA-F\d]{1,4}|:)| // 1:2:3:4:5:6:: 1:2:3:4:5:6::8 1:2:3:4:5:6::8 1:2:3:4:5:6::1.2.3.4
(?:[a-fA-F\d]{1,4}:){5}(?::(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,2}|:)| // 1:2:3:4:5:: 1:2:3:4:5::7:8 1:2:3:4:5::8 1:2:3:4:5::7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){4}(?:(:[a-fA-F\d]{1,4}){0,1}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,3}|:)| // 1:2:3:4:: 1:2:3:4::6:7:8 1:2:3:4::8 1:2:3:4::6:7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){3}(?:(:[a-fA-F\d]{1,4}){0,2}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,4}|:)| // 1:2:3:: 1:2:3::5:6:7:8 1:2:3::8 1:2:3::5:6:7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){2}(?:(:[a-fA-F\d]{1,4}){0,3}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,5}|:)| // 1:2:: 1:2::4:5:6:7:8 1:2::8 1:2::4:5:6:7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){1}(?:(:[a-fA-F\d]{1,4}){0,4}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,6}|:)| // 1:: 1::3:4:5:6:7:8 1::8 1::3:4:5:6:7:1.2.3.4
(?::((?::[a-fA-F\d]{1,4}){0,5}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,7}|:)) // ::2:3:4:5:6:7:8 ::2:3:4:5:6:7:8 ::8 ::1.2.3.4
)(%[0-9a-zA-Z]{1,})? // %eth0 %1
`;
let res = reg.exec(string);
expect(res.length).toBe(1);
expect(res[0]).toBe(" // 1:2:3:4:5:6:7:: 1:2:3:4:5:6:7:8");
expect(res.index).toBe(46);
});
test("multiline stateful match", () => {
let reg = /\s*\/\/.*$/gm;
let string = `
(
(?:[a-fA-F\d]{1,4}:){7}(?:[a-fA-F\d]{1,4}|:)| // 1:2:3:4:5:6:7:: 1:2:3:4:5:6:7:8
(?:[a-fA-F\d]{1,4}:){6}(?:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|:[a-fA-F\d]{1,4}|:)| // 1:2:3:4:5:6:: 1:2:3:4:5:6::8 1:2:3:4:5:6::8 1:2:3:4:5:6::1.2.3.4
(?:[a-fA-F\d]{1,4}:){5}(?::(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,2}|:)| // 1:2:3:4:5:: 1:2:3:4:5::7:8 1:2:3:4:5::8 1:2:3:4:5::7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){4}(?:(:[a-fA-F\d]{1,4}){0,1}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,3}|:)| // 1:2:3:4:: 1:2:3:4::6:7:8 1:2:3:4::8 1:2:3:4::6:7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){3}(?:(:[a-fA-F\d]{1,4}){0,2}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,4}|:)| // 1:2:3:: 1:2:3::5:6:7:8 1:2:3::8 1:2:3::5:6:7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){2}(?:(:[a-fA-F\d]{1,4}){0,3}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,5}|:)| // 1:2:: 1:2::4:5:6:7:8 1:2::8 1:2::4:5:6:7:1.2.3.4
(?:[a-fA-F\d]{1,4}:){1}(?:(:[a-fA-F\d]{1,4}){0,4}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(:[a-fA-F\d]{1,4}){1,6}|:)| // 1:: 1::3:4:5:6:7:8 1::8 1::3:4:5:6:7:1.2.3.4
(?::((?::[a-fA-F\d]{1,4}){0,5}:(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]\d|\d)){3}|(?::[a-fA-F\d]{1,4}){1,7}|:)) // ::2:3:4:5:6:7:8 ::2:3:4:5:6:7:8 ::8 ::1.2.3.4
)(%[0-9a-zA-Z]{1,})? // %eth0 %1
`;
let res = reg.exec(string);
expect(res.length).toBe(1);
expect(res[0]).toBe(" // 1:2:3:4:5:6:7:: 1:2:3:4:5:6:7:8");
expect(res.index).toBe(46);
res = reg.exec(string);
expect(res.length).toBe(1);
expect(res[0]).toBe(
" // 1:2:3:4:5:6:: 1:2:3:4:5:6::8 1:2:3:4:5:6::8 1:2:3:4:5:6::1.2.3.4"
);
expect(res.index).toBe(231);
});