Regular Expressions 101

Pro

1st Alternative(\d+)(\d\d)

Group 1(\d+)

\d+a digit, repeated at least once

Group 2(\d\d)

\da digit

2nd Alternative(\d+).(\d+)

Group 3(\d+)

\d+a digit, repeated at least once

.any character (except for line terminators)

Group 4(\d+)

\d+a digit, repeated at least once

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+)(\d\d)|(\d+).(\d+)

New

115
1x15
01x15
S01E05
S1E5
S1E05
S0105

115
1x15
01x15
S01E05
S1E5
S1E05
S0105