Regular Expressions 101

Explanation

Pro

Group 1(\d+)

\d+a Unicode decimal digit, repeated at least once

\D?optionally matches any character that is not a Unicode decimal digit

ofthe literal text of (case insensitive)

\D?optionally matches any character that is not a Unicode decimal digit

\d+a Unicode decimal digit, repeated at least once

Global pattern flags

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

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

Detailed match information will be displayed here automatically.

25 tokens

(\d+)\D?of\D?\d+

Hello 1 of 60
Hello.22.of.60.
Hello 33of60
Hello.44of60.
Hello 1 of 6
Hello.2.of.6.
Hello 3of6
Hello.04of6.

S01E\1

Hello 1 of 60
Hello.22.of.60.
Hello 33of60
Hello.44of60.
Hello 1 of 6
Hello.2.of.6.
Hello 3of6
Hello.04of6.