randstr: Random String Generator🔗ℹ

Hugefiver

(require randstr)

package: randstr

A library for generating random strings based on regex-like patterns.

1 Functions🔗ℹ

procedure
(randstr pattern) → string?
pattern : string?

Generate a random string based on the given pattern.

Examples:

(randstr "[a-z]{5}")
(randstr "[0-9][a-z]+")
(randstr "(abc|def)+")

procedure
(randstr* pattern n) → (listof string?)
pattern : string?
n : exact-positive-integer?

Generate a list of n random strings based on the given pattern.

Examples:

(randstr* "[0-9]{3}" 5)

2 Pattern Syntax🔗ℹ

The following pattern syntax is supported:

[abc] - Choose randomly from characters a, b, or c
[a-z] - Choose randomly from lowercase letters a through z
(abc|def) - Choose randomly between "abc" or "def"
a* - Zero or more of the preceding character
a+ - One or more of the preceding character
a? - Zero or one of the preceding character
. - Any character

3 Advanced Examples🔗ℹ

In addition to basic pattern matching, the library supports more complex patterns:

(randstr "[[:alpha:]]{5}")
(randstr "[[:digit:]]{3}")
(randstr "[[:alnum:]]{4}")
(randstr "[[:word:]]+")
(randstr "[[:upper:]0-9]+")
(randstr "[[:lower:]_]+")
(randstr "[[:alpha:]0-9]+")

4 License🔗ℹ

This project is licensed under the MIT License. See the "LICENSE" file for details.