Cron & Regex Developer Hub

Visually compile and decode standard Cron schedules, design and test regex matches in real-time, and instantly export production-ready code.

Visual Cron Scheduler

Choose a quick preset or customize each crontab field manually using ranges or steps.

Select Preset Schedule

Customize Fields

Minute

* /5 /15 0

Hour

* /2 0 9-17

Day (DOM)

* 1 1,15 /2

Month

* /3 Jan-Jun

Weekday

* Mon-Fri Sat,Sun

Compiled Cron Expression

* * * * *

Plain-English Schedule

Every minute, every day.

Next 5 Execution Times

Regex Configurator

Configure, select, or write regular expressions and set standard modifiers.

Common Regex Presets

Regex Pattern

/ / g

Flags / Modifiers

Global (g) Case-Insensitive (i) Multiline (m)

Pattern Description

Matches standard email addresses like test@company.com or first.last@sub.domain.co.

Test Sandbox 1 Match Found

Visual Matches Highlight

Syntax Reference Cheat Sheets

Quickly look up crontab wildcards and regular expression character classes, quantifiers, and anchors.

Cron Scheduling Syntax

Char	Syntax / Definition	Example
`*`	Wildcard (Any matching value)	`* * * * *` (every minute)
`,`	List separator (explicit options)	`1,15` (1st and 15th)
`-`	Range of values (inclusive)	`9-17` (hours 9 AM through 5 PM)
`/`	Step / Increments	`*/15` (every 15 minutes)
`L`	Last (Last day of month/week)	`5L` (last Friday of month)
`W`	Nearest weekday to DOM date	`15W` (closest weekday to the 15th)
`#`	N-th day of week in a month	`2#1` (first Monday of the month)

Regex Character Classes & Quantifiers

Char	Definition / Type	Example Matches
`^` / `$`	Starts / Ends of line anchor	`^abc$` (exactly "abc")
`.`	Any character except newline	`a.c` matches "abc", "a1c"
`\d` / `\w`	Digit [0-9] / Word character [a-zA-Z0-9_]	`\d+` matches "42", "99"
`\s`	Whitespace (space, tab, newline)	`\s+` matches line breaks/spaces
`+` / `*`	1 or more / 0 or more occurrences	`a+` matches "a", "aaa"
`?`	Optional element (0 or 1 match)	`colou?r` matches "color", "colour"
`{n,m}`	Quantifier limits (from n to m times)	`\d{2,4}` matches "99", "2026"
`[...]`	Character set / Custom range	`[a-z]` matches any lowercase letter

Integration Code Generator

Select your active engine and language to generate operational code wrappers directly using your configurations.

Active Utility Source

Programming Language

Code Snippet

My Saved Presets Library

Access saved formulas stored locally. Prepopulated with standard configurations.