Regular Expressions 101

Explanation
Pro

Group 1([0-9]{1,})

Character Class[0-9]{1,}

{1,}matches at least one character from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\sa Unicode whitespace character

Group 2([0-9]{4}-[0-9]{2}-[0-9]{2})

Character Class[0-9]{4}

{4}matches exactly 4 characters from the set below:

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{2}

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

0-9one character from 0 (48₁₀) to 9 (57₁₀)

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Character Class[0-9]{2}

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

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\sa Unicode whitespace character

Group 3([0-9]{1,2}:[0-9]{1,2})

Character Class[0-9]{1,2}

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

0-9one character from 0 (48₁₀) to 9 (57₁₀)

:the literal : (58₁₀ / 72₈ / 3A₁₆)

Character Class[0-9]{1,2}

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

0-9one character from 0 (48₁₀) to 9 (57₁₀)

\sa Unicode whitespace character

Group 4(0|1)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative1

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

\sa Unicode whitespace character

Group 5(0|1)

1st Alternative0

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

2nd Alternative1

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

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

([0-9]{1,})\s([0-9]{4}-[0-9]{2}-[0-9]{2})\s([0-9]{1,2}:[0-9]{1,2})\s(0|1)\s(0|1)

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