Regular Expressions 101

Pro

PTthe literal text PT (case sensitive)

Group 1((?P<hours>\d+)H)?

?repeats the group contents below at most once:

Group hours(?P<hours>\d+)

\d+a digit, repeated at least once

Hthe literal H (72₁₀ / 110₈ / 48₁₆) (case sensitive)

Group 3((?P<minutes>\d+)M)?

?repeats the group contents below at most once:

Group minutes(?P<minutes>\d+)

\d+a digit, repeated at least once

Mthe literal M (77₁₀ / 115₈ / 4D₁₆) (case sensitive)

Group 5((?P<seconds>\d+)S)?

?repeats the group contents below at most once:

Group seconds(?P<seconds>\d+)

\d+a digit, repeated at least once

Sthe literal S (83₁₀ / 123₈ / 53₁₆) (case sensitive)

Global pattern flags

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

Detailed match information will be displayed here automatically.

25 tokens

PT((?P<hours>\d+)H)?((?P<minutes>\d+)M)?((?P<seconds>\d+)S)?

New

PT1H
PT23M
PT45S
PT1H23M
PT1H45S
PT23M45S
PT1H23M45S