vanquang202 / regex-lesson

regex-lesson

Lesson 1

( va ) => so sanh mot khoang chuoi (abc) => So khop mot ky tu trong mot chuoi ky tu

Lesson 1

\d => So khop cac ky tu so 0-9

Lesson 2

. => So khop cac ky tu la dau .

Lesson 3

[cmf] => So khop mot trong cac ky tu co trong chuoi ky tu co mot trong cac chu c , m ,f

Lesson 4

[^bog] => So khop cac chuoi ky tu khon co b , o , g

Lesson 5

[0-6] => So khop cac so tu 0 - 6 [^n-p] => So khop cac chu khong nam trong khoang n-p [A-Za-z0-9_] => So khop cac ky tu in hoa , in thuong va so

Lesson 6

\w\w\w => So khop 3 chu so \w{3} => tuong tu waz{3} => So khop ky tu co 3 chu z waz{3,} => So khop ky tu co 3 chu z so tro len waz{3,5} => So khop ky tu co 3 chu z so den 5 so

Lesson 7

[*] => Null hoac nhieu ky tu [+] => Mot hoac nhieu ky tu [?] => Mot hoac khong ky tu nao a\w+ => Ky tu a va nhieu ky tu a-zA-Z0-9

Lesson 8

ab?c => so khop ky tu co c hoac khong co c ? => Cung nhu dau . So khop chuoi co dau ?

Lesson 9

( ) space (\t) tab (\n) new line (\r) xuong dong \s Khoang trang

Lesson 10

^ => dau chuoi $ => cuoi chuoi (\ssuccessful$) => so sanh chuoi cuoi la tu " successfull"

Lesson 11

( va ) => so sanh mot khoang chuoi ^(file_\w*) => so sanh chuoi co ky tu file_cac ky tu sau

Lesson 12

( va ( va )) => so khop 2 nhom voi nhau (\w+\s(\d+)) => so khop nhom cos ky tu chu dau khoang trang va mot nhom so

Lesson 13

((\d{1,4})x(\d{1,})?) => so khop chuoi dang 0121x1212

Lesson 14

| dau hoac dieu kien so khop (\scat|dogs) so khop ky tu " cat" hoac "dogs"

Lesson 15

(\w+\s)+(\S+)+((\s\w+)+)? => Ma loc theo vi du lesson 5

Lesson x

^-?\d+(,\d+)*(.\d+(e\d+)?)?$ => Xu ly chuoi thap phan

(\d{3}) => Xu ly 3 so dau tien cua moi so dien thoai 1?[\s-]?(?(\d{3}))?[\s-]?(\d+-?\s?)+ => So khop mau so dien thoai va group 3 so dau cua so dien thoai

^([\w.]*) => Xu ly lay name email co dau . truoc ky tu bat ki

^<(\w+) => Xu ly ky tu sau < la mot the html

([\w]*).(png|jpg|gif)$ => Xu ly ky tu image

^\s*([\w\s.]*)$ => Xu ly chuoi ky tu khoi dau space

(\w+)(([\w.]*):(\d+) > Xy ly chuoi ky tu theo dang log error E/( 1553): at widget.List.makeView(ListView.java:1727) => makeView|ListView.java|1727

(\w+)\W+([\w+.?-?]*)(:?(\d+))? => Xy ly chuoi dang domain => http "https://regexone.com/lesson/introduction#section" => https|regexone.com file://localhost:4040/zip_file => file|localhost|4040 Loi giai (\w+)://([\w-.]+)(:(\d+))?

i => Khong phan biet chu hoa chu thuong g => Tim toan bo ket qua m ==> Xu ly nhieu dong [] => Mo ta mot tap hop ca ky tu [^ ] => Phu dinh cua [] \w => [a-zA-Z0-9_] \W => [^a-zA-Z0-9_] \d => [0-9] \D => [^0-9] \s => [\t\f\n\r\p{Z}] \S => [^\t\f\n\r\p{Z}] \b => Phan tach cac tu \B => Khong phan tach cac tu [*] => Null hoac nhieu lan [+] => Mot hoac nhieu lan [?] => Co hay khong deu duoc ?! => Lookahead {min,max} => Do dai (abc) => SO khop chuoi gorup ky tu | phep hoac \ Lay ky tu dac biet ^ Dau chuoi $ Cuoi chuoi \z Diem ket thuc chuoi input