Regular Expressions 101

Explanation

Pro

^start of line

\s*any whitespace character, repeated any number of times

Non-Capturing Group(?:(\d+)(?:\s*(\d+))?|(\d+)(?:\s+s(?:ec(?:onds?)?)?)?(?:\s+(\d+)(?:\s+m(?:in(?:utes?)?)?)?)?|(\d+)(?:\s+m(?:in(?:utes?)?)?)?(?:\s+(\d+)(?:\s+s(?:ec(?:onds?)?)?)?)?)

1st Alternative(\d+)(?:\s*(\d+))?

Group 1(\d+)

\d+a digit, repeated at least once

Non-Capturing Group(?:\s*(\d+))?

?repeats the group contents below at most once:

\s*any whitespace character, repeated any number of times

Group 2(\d+)

\d+a digit, repeated at least once

2nd Alternative(\d+)(?:\s+s(?:ec(?:onds?)?)?)?(?:\s+(\d+)(?:\s+m(?:in(?:utes?)?)?)?)?

Group 3(\d+)

\d+a digit, repeated at least once

Non-Capturing Group(?:\s+s(?:ec(?:onds?)?)?)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

Non-Capturing Group(?:ec(?:onds?)?)?

?repeats the group contents below at most once:

ecthe literal text ec (case sensitive)

Non-Capturing Group(?:onds?)?

?repeats the group contents below at most once:

ondthe literal text ond (case sensitive)

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

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

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

Group 4(\d+)

\d+a digit, repeated at least once

Non-Capturing Group(?:\s+m(?:in(?:utes?)?)?)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

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

Non-Capturing Group(?:in(?:utes?)?)?

?repeats the group contents below at most once:

inthe literal text in (case sensitive)

Non-Capturing Group(?:utes?)?

?repeats the group contents below at most once:

utethe literal text ute (case sensitive)

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

3rd Alternative(\d+)(?:\s+m(?:in(?:utes?)?)?)?(?:\s+(\d+)(?:\s+s(?:ec(?:onds?)?)?)?)?

Group 5(\d+)

\d+a digit, repeated at least once

Non-Capturing Group(?:\s+m(?:in(?:utes?)?)?)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

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

Non-Capturing Group(?:in(?:utes?)?)?

?repeats the group contents below at most once:

inthe literal text in (case sensitive)

Non-Capturing Group(?:utes?)?

?repeats the group contents below at most once:

utethe literal text ute (case sensitive)

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

Non-Capturing Group(?:\s+(\d+)(?:\s+s(?:ec(?:onds?)?)?)?)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

Group 6(\d+)

\d+a digit, repeated at least once

Non-Capturing Group(?:\s+s(?:ec(?:onds?)?)?)?

?repeats the group contents below at most once:

\s+any whitespace character, repeated at least once

sthe literal s (115₁₀ / 163₈ / 73₁₆) (case sensitive)

Non-Capturing Group(?:ec(?:onds?)?)?

?repeats the group contents below at most once:

ecthe literal text ec (case sensitive)

Non-Capturing Group(?:onds?)?

?repeats the group contents below at most once:

ondthe literal text ond (case sensitive)

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

\s*any whitespace character, repeated any number of times

$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

Match Information

Detailed match information will be displayed here automatically.

Quick Reference

25 tokens

Regular Expression

^\s*(?:(\d+)(?:\s*(\d+))?|(\d+)(?:\s+s(?:ec(?:onds?)?)?)?(?:\s+(\d+)(?:\s+m(?:in(?:utes?)?)?)?)?|(\d+)(?:\s+m(?:in(?:utes?)?)?)?(?:\s+(\d+)(?:\s+s(?:ec(?:onds?)?)?)?)?)\s*$

New

2 s 1 minutes
2 sec 1 minutes
2 second 1 minutes
2 seconds 1 minutes

2 s 1 m
2 sec 1 min
2 second 1 minute
2 seconds 1 minutes
1 minutes 2
1 minutes 2 seconds
2 seconds 1
1 sec
1 sec 2
20 9 s
30 s 44
1 2 s
1
1 2
20 9 sec

2 secon 1 minutes
2 secs 1 minutes
2 seco 1 minutes
2 se 1 minutes
2 s 1 mi
2 sec 1 mins
2 second 1 mi
2 seconds 1 minut

Extraction

2 s 1 minutes
2 sec 1 minutes
2 second 1 minutes
2 seconds 1 minutes

2 s 1 m
2 sec 1 min
2 second 1 minute
2 seconds 1 minutes
1 minutes 2
1 minutes 2 seconds
2 seconds 1
1 sec
1 sec 2
20 9 s
30 s 44
1 2 s
1
1 2
20 9 sec

2 secon 1 minutes
2 secs 1 minutes
2 seco 1 minutes
2 se 1 minutes
2 s 1 mi
2 sec 1 mins
2 second 1 mi
2 seconds 1 minut