Regular Expressions 101

Explanation

Pro

Group 1(\-((0[0-9]|1[0-2]):00|0[39]:30)|\+((0[0-9]|1[0-4]):00|(0[34569]|10):30|(0[58]|12):45))

1st Alternative\-((0[0-9]|1[0-2]):00|0[39]:30)

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 2((0[0-9]|1[0-2]):00|0[39]:30)

1st Alternative(0[0-9]|1[0-2]):00

Group 3(0[0-9]|1[0-2])

1st Alternative0[0-9]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[0-9]

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

2nd Alternative1[0-2]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[0-2]

0-2one character from 0 (48₁₀) to 2 (50₁₀)

:00the literal text :00

2nd Alternative0[39]:30

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[39]

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

:30the literal text :30

2nd Alternative\+((0[0-9]|1[0-4]):00|(0[34569]|10):30|(0[58]|12):45)

\+the literal + (43₁₀ / 53₈ / 2B₁₆)

Group 4((0[0-9]|1[0-4]):00|(0[34569]|10):30|(0[58]|12):45)

1st Alternative(0[0-9]|1[0-4]):00

Group 5(0[0-9]|1[0-4])

1st Alternative0[0-9]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[0-9]

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

2nd Alternative1[0-4]

1the literal 1 (49₁₀ / 61₈ / 31₁₆)

Character Class[0-4]

0-4one character from 0 (48₁₀) to 4 (52₁₀)

:00the literal text :00

2nd Alternative(0[34569]|10):30

Group 6(0[34569]|10)

1st Alternative0[34569]

0the literal 0 (48₁₀ / 60₈ / 30₁₆)

Character Class[34569]

3the literal 3 (51₁₀ / 63₈ / 33₁₆)

4the literal 4 (52₁₀ / 64₈ / 34₁₆)

5the literal 5 (53₁₀ / 65₈ / 35₁₆)

6the literal 6 (54₁₀ / 66₈ / 36₁₆)

9the literal 9 (57₁₀ / 71₈ / 39₁₆)

2nd Alternative10

10the literal text 10

:30the literal text :30

3rd Alternative(0[58]|12):45

Group 7(0[58]|12)

:45the literal text :45

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

Unit Test Summary

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Quick Reference

25 tokens

Regular Expression

(\-((0[0-9]|1[0-2]):00|0[39]:30)|\+((0[0-9]|1[0-4]):00|(0[34569]|10):30|(0[58]|12):45))

Unit Tests

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