Regular Expressions 101

Pro

\ban ASCII word boundary

Non-Capturing Group(?:\d+h(?: \d+m)?|\d+m)

1st Alternative\d+h(?: \d+m)?

\d+a digit, repeated at least once

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

Non-Capturing Group(?: \d+m)?

?repeats the group contents below at most once:

the literal (32₁₀ / 40₈ / 20₁₆)

\d+a digit, repeated at least once

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

2nd Alternative\d+m

\d+a digit, repeated at least once

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

\ban ASCII word boundary

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.

26 tokens

\b(?:\d+h(?: \d+m)?|\d+m)\b

New

45m
1h
2h 45m
2m 45h

45m
1h
2h 45m
2m 45h