regex101: PCRE (Legacy) Match Workspace

Pro

1st Alternative(\d{2}(\d{2})?\/\d{2}\/\d{2}(\d{2})?)

Group 1(\d{2}(\d{2})?\/\d{2}\/\d{2}(\d{2})?)

\d{2}a digit, repeated exactly 2 times

Group 2(\d{2})?

?repeats the group contents below at most once:

\d{2}a digit, repeated exactly 2 times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d{2}a digit, repeated exactly 2 times

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\d{2}a digit, repeated exactly 2 times

Group 3(\d{2})?

?repeats the group contents below at most once:

\d{2}a digit, repeated exactly 2 times

2nd Alternative(\d{2}:\d{2}(:\d{2})?)

Group 4(\d{2}:\d{2}(:\d{2})?)

\d{2}a digit, repeated exactly 2 times

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\d{2}a digit, repeated exactly 2 times

Group 5(:\d{2})?

?repeats the group contents below at most once:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

\d{2}a digit, repeated exactly 2 times

Global pattern flags

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

25 tokens

Regular Expression

(\d{2}(\d{2})?\/\d{2}\/\d{2}(\d{2})?)|(\d{2}:\d{2}(:\d{2})?)

New

----------17/01/01----------00:00:00-----
-----17/02/02 09:03----------------------
--------------------34:23----------------
-----17/02/04 11:09:24-------------------
------------------17/04/27---------------
-----------------------------------------

Substitution

----------17/01/01----------00:00:00-----
-----17/02/02 09:03----------------------
--------------------34:23----------------
-----17/02/04 11:09:24-------------------
------------------17/04/27---------------
-----------------------------------------