Regular Expressions 101

1st Alternative[2](?=[0-3])\dh

Character Class[2]

2the literal 2 (50₁₀ / 62₈ / 32₁₆)

Positive Lookahead(?=[0-3])

Character Class[0-3]

0-3one character from 0 (48₁₀) to 3 (51₁₀)

\da digit

hthe literal h (104₁₀ / 150₈ / 68₁₆) (case sensitive)

2nd Alternative[0-1][0-9]h[0-5][0-9]min[0-5][0-9]s

Character Class[0-1]

0-1one character from 0 (48₁₀) to 1 (49₁₀)

Character Class[0-9]

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

hthe literal h (104₁₀ / 150₈ / 68₁₆) (case sensitive)

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

Character Class[0-9]

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

minthe literal text min (case sensitive)

Character Class[0-5]

0-5one character from 0 (48₁₀) to 5 (53₁₀)

Character Class[0-9]

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

sthe literal s (115₁₀ / 163₈ / 73₁₆) (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.

Search reference

Regular Expression

[2](?=[0-3])\dh|[0-1][0-9]h[0-5][0-9]min[0-5][0-9]s

New

19h32min16s
39h32min16s