Regular Expressions 101

Explanation

Pro

\d{4,}a digit, repeated at least 4 times

Global pattern flags

g modifier: global. Finds all matches instead of stopping after the first

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

Detailed match information will be displayed here automatically.

25 tokens

\d{4,}

1399/7/13
99/07/02
99/7/2
1399/7/2
1399/07/02
1399/07/022
1399/007/02
13399/7/2
13399/7/22
13399/77/342
12345654898/446/45654