Regular Expressions 101

Group 1(\d\d\d\d)

\da digit

Group 2(-)?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 3(\d\d)

\da digit

Group 4(-)?

?repeats the group contents below at most once:

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 5(\d\d)

\da digit

Group 6(T)?

?repeats the group contents below at most once:

Tthe literal T (84₁₀ / 124₈ / 54₁₆) (case sensitive)

Group 7(\d\d)

\da digit

Group 8(:)?

?repeats the group contents below at most once:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 9(\d\d)

\da digit

Group 10(:)?

?repeats the group contents below at most once:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 11(\d\d)

\da digit

Group 12(\.\d+)?

?repeats the group contents below at most once:

\.the literal . (46₁₀ / 56₈ / 2E₁₆)

\d+a digit, repeated at least once

Group 13(Z|([+-])(\d\d)(:)?(\d\d))

1st AlternativeZ

Zthe literal Z (90₁₀ / 132₈ / 5A₁₆) (case sensitive)

2nd Alternative([+-])(\d\d)(:)?(\d\d)

Group 14([+-])

Character Class[+-]

+the literal + (43₁₀ / 53₈ / 2B₁₆)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 15(\d\d)

\da digit

Group 16(:)?

?repeats the group contents below at most once:

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 17(\d\d)

\da digit

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

(\d\d\d\d)(-)?(\d\d)(-)?(\d\d)(T)?(\d\d)(:)?(\d\d)(:)?(\d\d)(\.\d+)?(Z|([+-])(\d\d)(:)?(\d\d))

New

2008-12-19T16:39:57.66Z