Regular Expressions 101

Group 1((?<days>\d+)\sDays?\s?)?

?repeats the group contents below at most once:

Group days(?<days>\d+)

\d+a digit, repeated at least once

\sany whitespace character

Daythe literal text Day (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

\s?optionally matches any whitespace character

Group 3((?<hours>\d+)\sHours?\s?)?

?repeats the group contents below at most once:

Group hours(?<hours>\d+)

\d+a digit, repeated at least once

\sany whitespace character

Hourthe literal text Hour (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

\s?optionally matches any whitespace character

Group 5((?<minutes>\d+)\sMinutes?\s?)?

?repeats the group contents below at most once:

Group minutes(?<minutes>\d+)

\d+a digit, repeated at least once

\sany whitespace character

Minutethe literal text Minute (case sensitive)

s?optionally matches the literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

\s?optionally matches any whitespace character

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.

Search reference

Regular Expression

((?<days>\d+)\sDays?\s?)?((?<hours>\d+)\sHours?\s?)?((?<minutes>\d+)\sMinutes?\s?)?

New

1 Hour
10 Hours 47 Minutes
1 Day 5 Hours 15 Minutes
45 Minutes