regex101: Cron Syntax

Explanation

Pro

Group 1((((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])([/]([1-5]?[0-9]))?)([,](((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])([/]([1-5]?[0-9]))?))*)

Group 2(((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])([/]([1-5]?[0-9]))?)

Group 3((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])

1st Alternative(([1-5]?[0-9])([-]([1-5]?[0-9]))?)

Group 4(([1-5]?[0-9])([-]([1-5]?[0-9]))?)

Group 5([1-5]?[0-9])

Character Class[1-5]?

?matches at most one character from the set below:

1-5one character from 1 (49₁₀) to 5 (53₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 6([-]([1-5]?[0-9]))?

?repeats the group contents below at most once:

Character Class[-]

-the literal - (45₁₀ / 55₈ / 2D₁₆)

Group 7([1-5]?[0-9])

Character Class[1-5]?

?matches at most one character from the set below:

1-5one character from 1 (49₁₀) to 5 (53₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

2nd Alternative[*]

Character Class[*]

*the literal * (42₁₀ / 52₈ / 2A₁₆)

Group 8([/]([1-5]?[0-9]))?

?repeats the group contents below at most once:

Character Class[/]

/the literal / (47₁₀ / 57₈ / 2F₁₆)

Group 9([1-5]?[0-9])

Character Class[1-5]?

?matches at most one character from the set below:

1-5one character from 1 (49₁₀) to 5 (53₁₀)

Character Class[0-9]

0-9one character from 0 (48₁₀) to 9 (57₁₀)

Group 10([,](((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])([/]([1-5]?[0-9]))?))*

*repeats the group contents below any number of times:

Character Class[,]

,the literal , (44₁₀ / 54₈ / 2C₁₆)

Group 11(((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])([/]([1-5]?[0-9]))?)

Group 12((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])

1st Alternative(([1-5]?[0-9])([-]([1-5]?[0-9]))?)

Group 13(([1-5]?[0-9])([-]([1-5]?[0-9]))?)

2nd Alternative[*]

Group 17([/]([1-5]?[0-9]))?

the literal (32₁₀ / 40₈ / 20₁₆)

Group 19((((([2][0-3]|[1]?[0-9])([-]([2][0-3]|[1]?[0-9]))?)|[*])([/]([2][0-3]|[1]?[0-9]))?)([,](((([2][0-3]|[1]?[0-9])([-]([2][0-3]|[1]?[0-9]))?)|[*])([/]([2][0-3]|[1]?[0-9]))?))*)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 37((((([3][0-1]|[1-2]?[0-9])([-]([3][0-1]|[1-2]?[0-9]))?)|[*])([/]([3][0-1]|[1-2]?[0-9]))?)([,](((([3][0-1]|[1-2]?[0-9])([-]([3][0-1]|[1-2]?[0-9]))?)|[*])([/]([3][0-1]|[1-2]?[0-9]))?))*)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 55((((([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)([-]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?)|[*])([/]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?)([,](((([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)([-]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?)|[*])([/]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?))*)

the literal (32₁₀ / 40₈ / 20₁₆)

Group 73((((([0-7]|SUN|MON|TUE|WED|THU|FRI|SAT)([-]([0-7]|SUN|MON|TUE|WED|THU|FRI|SAT))?)|[*])([/]([0-7]|SUN|MON|TUE|WED|THU|FRI|SAT))?)([,](((([0-7]|SUN|MON|TUE|WED|THU|FRI|SAT)([-]([0-7]|SUN|MON|TUE|WED|THU|FRI|SAT))?)|[*])([/]([0-7]|SUN|MON|TUE|WED|THU|FRI|SAT))?))*)

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

Quick Reference

27 tokens

Regular Expression

((((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])([/]([1-5]?[0-9]))?)([,](((([1-5]?[0-9])([-]([1-5]?[0-9]))?)|[*])([/]([1-5]?[0-9]))?))*) ((((([2][0-3]|[1]?[0-9])([-]([2][0-3]|[1]?[0-9]))?)|[*])([/]([2][0-3]|[1]?[0-9]))?)([,](((([2][0-3]|[1]?[0-9])([-]([2][0-3]|[1]?[0-9]))?)|[*])([/]([2][0-3]|[1]?[0-9]))?))*) ((((([3][0-1]|[1-2]?[0-9])([-]([3][0-1]|[1-2]?[0-9]))?)|[*])([/]([3][0-1]|[1-2]?[0-9]))?)([,](((([3][0-1]|[1-2]?[0-9])([-]([3][0-1]|[1-2]?[0-9]))?)|[*])([/]([3][0-1]|[1-2]?[0-9]))?))*) ((((([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)([-]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?)|[*])([/]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?)([,](((([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC)([-]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?)|[*])([/]([1][0-2]|[0-9]|JAN|FEB|MAR|APR|MAY|JUN|JUL|AUG|SEP|OCT|NOV|DEC))?))*) ((((([0-7]|SUN|MON|TUE|WED|THU|FRI|SAT)([-]([0-7]|SUN|MON|TUE|WED|THU|FRI|

Unit Tests

There are no unit tests.