Regular Expressions 101

^start of line

Group 1(([\d]{1,2})\:){1,2}

{1,2}repeats the group contents below between 1 and 2 times:

Group 2([\d]{1,2})

Character Class[\d]{1,2}

{1,2}matches between 1 and 2 characters from the set below:

\da digit

\:the literal : (58₁₀ / 72₈ / 3A₁₆)

Group 3([\d]{2})

Character Class[\d]{2}

{2}matches exactly 2 characters from the set below:

\da digit

$end of line

Global pattern flags

m modifier: multiline. Causes ^ and $ to match the start and end of each line, not only the start and end of the string

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

Detailed match information will be displayed here automatically.

25 tokens

Regular Expression

^(([\d]{1,2})\:){1,2}([\d]{2})$

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