Simple Regex to *validate * (no extraction!) an IPv4 Range which can be a comma separated mixture of IPv4 addresses IPv4 CIDRs IPv4 Ranges like 1.1.1.1-1.1.1.10 Examples : ...

This is made to validate an ISO 8601 input in a Terraform variable validation block: validation { condition = can(regex("^P(\\d+Y)?(\\d+M)?(\\d+D)?(T(\\d+H)?(\\d+M)?(\\d+S)?)?$", var.value)) error_message = "The value must be a valid ISO 8601 duration string representing time. (e.g. PT...

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Addes a non-breaking space after any of the letters included in the [vozuskia] class.

Splits a Docker image string into the separate parts: image, tag, digest tag and digest are optional

japanese text to bold japanese text 食べるんだ 食べるんだ

RFC3339 Validator

Matches variations of messages commonly used to send Discord scams/hacks. Instructions are written for YAGPDB

Gets the ID of a YouTube Video from any link to it.

Example taken from SO,

Catches our log files renamed file names and adds them to CSV file

get prefecture from Japanese address

This validates AWS EventBridge scheduling expressions using the rate() and cron() formats. It may not catch all invalid expressions, but it should properly validate all valid expressions, as demonstrated in the unit tests. Please let me know if I missed any valid expressions. Originally attempted ...

Parses an IANA Media Type value. Doesn't seem to capture repeating parameters, which is a bit of an edge case but valid I think - any suggestions on how to fix would be appreciated.

I use this to find files with two or more extensions (i.e. file.txt.txt). This will work with files with 3 or 4 character or numeric (or both) file extensions (i.e. pdf, xlsx).

Match Chinese Digits less than 1×10^16, such as “一千两百三十四万”、“八萬点七六五”、“玖仟玖佰玖拾玖万玖仟玖佰玖拾玖亿玖仟玖佰玖拾玖万玖仟玖佰玖拾玖点玖玖玖玖玖玖玖玖玖玖玖玖玖玖玖玖”，Upper and lower case Chinese can be mixed, but Chinese numbers and English numbers cannot be mixed. Illegal numbers will not be matched. For example: “两十六” will not be matched, as t...

^\h{4}段首4个横向空格 +不包含左括号、换行符号的其他字符，1~无限循环 \((.*)\)$捕获处于（）之中的任意字符内容，右括号在段尾

操作系统文件名称验证，参考了Windows，Linux，Mac

verificare indirizzo IPV6 (regole base)

Regular expression to check the email syntax validity. Certainly requires improvement, but it's a good basis to work from. Work with Java and JavaScript.