Regular Expressions 101

Explanation
Pro

Group 1(\d{1,2})

\d{1,2}a Unicode decimal digit, repeated between 1 and 2 times

\s?optionally matches a Unicode whitespace character

Non-Capturing Group(?:min|m|hour|hr?|minutes?)

1st Alternativemin

minthe literal text min (case sensitive)

2nd Alternativem

mthe literal m (109₁₀ / 155₈ / 6D₁₆) (case sensitive)

3rd Alternativehour

hourthe literal text hour (case sensitive)

4th Alternativehr?

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

r?optionally matches the literal r (114₁₀ / 162₈ / 72₁₆) (case sensitive)

5th Alternativeminutes?

minutethe literal text minute (case sensitive)

s?optionally matches the 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.

25 tokens

(\d{1,2})\s?(?:min|m|hour|hr?|minutes?)

New

A 9 minutes delay experienced
a 10 minutes delay

A 9 minutes delay experienced
a 10 minutes delay