Regular Expressions 101

Pro

\ban ASCII word boundary

0+the literal 0 (48₁₀ / 60₈ / 30₁₆) , repeated at least once

Non-Capturing Group(?:\B|\s[hm](?:\s|$))

1st Alternative\B

\Bnot an ASCII word boundary

2nd Alternative\s[hm](?:\s|$)

\sany whitespace character

Character Class[hm]

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

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

Non-Capturing Group(?:\s|$)

1st Alternative\s

\sany whitespace character

2nd Alternative$

$end of line

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

\b0+(?:\B|\s[hm](?:\s|$))

New

17 h 30 m
08 h 00 m
00 h 05 m

17 h 30 m
08 h 00 m
00 h 05 m