regex101: cron expression

^start of line

Group 1(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?))

1st Alternative((\*|(\d\d?))(\/\d\d?)?)

Group 2((\*|(\d\d?))(\/\d\d?)?)

Group 3(\*|(\d\d?))

1st Alternative\*

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

2nd Alternative(\d\d?)

Group 4(\d\d?)

\da digit

\d?optionally matches a digit

Group 5(\/\d\d?)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\da digit

\d?optionally matches a digit

2nd Alternative(\d\d?\-\d\d?)

Group 6(\d\d?\-\d\d?)

\da digit

\d?optionally matches a digit

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\da digit

\d?optionally matches a digit

Group 7(,(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?)))*

*repeats the group contents below any number of times:

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 8(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?))

1st Alternative((\*|(\d\d?))(\/\d\d?)?)

Group 9((\*|(\d\d?))(\/\d\d?)?)

Group 10(\*|(\d\d?))

1st Alternative\*

\*the literal * (42₁₀ / 52₈ / 2A₁₆)

2nd Alternative(\d\d?)

Group 11(\d\d?)

\da digit

\d?optionally matches a digit

Group 12(\/\d\d?)?

?repeats the group contents below at most once:

\/the literal / (47₁₀ / 57₈ / 2F₁₆)

\da digit

\d?optionally matches a digit

2nd Alternative(\d\d?\-\d\d?)

Group 13(\d\d?\-\d\d?)

\da digit

\d?optionally matches a digit

\-the literal - (45₁₀ / 55₈ / 2D₁₆)

\da digit

\d?optionally matches a digit

\sany whitespace character

Group 14(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?))

1st Alternative((\*|(\d\d?))(\/\d\d?)?)

Group 15((\*|(\d\d?))(\/\d\d?)?)

Group 16(\*|(\d\d?))

1st Alternative\*

2nd Alternative(\d\d?)

Group 18(\/\d\d?)?

2nd Alternative(\d\d?\-\d\d?)

Group 20(,(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?)))*

\sany whitespace character

Group 27(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?))

Group 33(,(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?)))*

\sany whitespace character

Group 40(\?|(((\*|(\d\d?L?))(\/\d\d?)?)|(\d\d?L?\-\d\d?L?)|L|(\d\d?W))(,(((\*|(\d\d?L?))(\/\d\d?)?)|(\d\d?L?\-\d\d?L?)|L|(\d\d?W)))*)

\sany whitespace character

Group 56(((\*|(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))(\/\d\d?)?)|((\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)\-(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)))

Group 64(,(((\*|(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))(\/\d\d?)?)|((\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)\-(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))))*

\sany whitespace character

Group 73(((\*|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)(\/\d\d?)?)|(([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?\-([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?#([1-5]))

Group 83(,(((\*|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)(\/\d\d?)?)|(([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?\-([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?#([1-5])))*

$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

i modifier: insensitive. Matches without distinguishing uppercase and lowercase letters

Search reference

Regular Expression

^(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?))(,(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?)))*\s(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?))(,(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?)))*\s(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?))(,(((\*|(\d\d?))(\/\d\d?)?)|(\d\d?\-\d\d?)))*\s(\?|(((\*|(\d\d?L?))(\/\d\d?)?)|(\d\d?L?\-\d\d?L?)|L|(\d\d?W))(,(((\*|(\d\d?L?))(\/\d\d?)?)|(\d\d?L?\-\d\d?L?)|L|(\d\d?W)))*)\s(((\*|(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))(\/\d\d?)?)|((\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)\-(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)))(,(((\*|(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))(\/\d\d?)?)|((\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)\-(\d|10|11|12|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))))*\s(((\*|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)(\/\d\d?)?)|(([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?\-([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?#([1-5]))(,(((\*|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)(\/\d\d?)?)|(([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?\-([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?)|([0-7]|MON|TUE|WED|THU|FRI|SAT|SUN)L?#([1-5])))*$

Test String
New

* * * * * *
* * * * * *
* * * * * *
3 * * * * *
3 * * * * *
3 * * * * *
3 * * * * *
3 * * * * *
5/15 * * * * *
5/15 * * * * *
5/15 * * * * *
5/15 * * * * *
5/15 * * * * *
7,19 * * * * *
7,19 * * * * *
7,19 * * * * *
2-45 * * * * *
2-4 * * * * *
42-45 * * * * *
42-45 * * * * *
42-45 * * * * *
42-45 * * * * *
42-63 * * * * *
0 3 * * * *
0 3 * * * *
0 0/15 * * * *
0 0/15 * * * *
0 0/15 * * * *
0 0/15 * * * *
0 7,19 * * * *
0 7,19 * * * *
0 * 3 * * *
0 * 3 * * *
0 * 3 * * *
0 * 0/15 * * *
0 * 0/15 * * *
0 * 0/15 * * *
0 * 0/15 * * *
0 * 0/15 * * *
0 * 7,19 * * *
0 * 7,19 * * *
0 * 7,19 * * *
0 1 * * * *
0 0 * * * *
0 * * 3 * *
0 * * 3 * *
0 * * 3 * *
0 * * 3 * *
0 0 0 1/15 * *
0 0 0 1/15 * *
0 0 0 1/15 * *
0 0 0 1/15 * *
0 0 0 7,19 * *
0 0 0 7,19 * *
0 0 0 7,19 * *
0 0 0 7,19 * *
0 0 0 L * *
0 0 0 L * *
0 0 0 3L * *
0 0 0 3L * *
0 0 0 9W * *
0 0 0 9W * *
0 0 0 9W * *
0 0 0 9W * *
0 0 0 9X */2 *
0 0 0 9#2 * *
0 0 0 1 5 *
0 0 0 1 5/2 *
0 0 0 1 5/2 *
0 0 0 1 5/10 *
0 0 0 1 3,7,12 *
0 0 0 1 3,7,12 *
0 0 0 1 3,7,12 *
0 0 0 1 MAR,JUL,DEC *
0 0 0 1 MAR,JUL,DEC *
0 0 0 1 MAR,JUL,DEC *
0 0 0 1 ? *
0 0 0 * * 3
0 0 0 * * 3
0 0 0 * * 3
0 0 0 * * 3
0 0 0 * * 3/2
0 0 0 * * 3/2
0 0 0 * * 3/2
0 0 0 * * 3/2
0 0 0 * * 1,5,7
0 0 0 * * 1,5,7
0 0 0 * * 1,5,7
0 0 0 * * MON,FRI,SUN
0 0 0 * * MON,FRI,SUN
0 0 0 * * MON,FRI,SUN
0 0 0 * * 5L
0 0 0 * * 5L
0 0 0 * * 5L
0 0 0 * * FRIL
0 0 0 * * 5W
0 0 0 * * 5?3
0 0 0 * * 0
0 0 0 * * 0L
0 0 0 * * 0#2
0 0 0 * * 7
0 0 0 * * 7L
0 0 0 * * 7#2
0 0 0 * * 5#3
0 0 0 * * 5#3
0 0 0 * * 7#1
0 0 0 * * 7#1
0 0 0 * * 3#5
0 0 0 * * WED#5
* * 5-1 * * *

Regular Expressions 101

Regular Expression

Test String
New

Extraction
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Regular Expression

Test StringNew

ExtractionProcessing...

Test String
New

Extraction
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