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 : ...

Description Inspects lines that contain only a character, let's say c, repeated n times. The name of the matching groups will tell you if n is 0, the unit 1, a prime number, or a composite number. Alternative ...

Given a version number MAJOR.MINOR.PATCH, increment the: MAJOR version when you make incompatible API changes. MINOR version when you add functionality in a backward compatible manner. PATCH version when you make backward compatible bug fixes. A pre-release version MAY be denoted by appending a hyp...

substitutes \[...\] with $$...$$

Substitute the oneliner GPT equations \(..\) to tex like i.e. $..$

Matches some number of a's followed by the same number of b's, usually written as a^nb^n for all natural numbers n. For regular expressions as formally defined in formal language theory, this is impossible, but modern day regex engines can do far more than match just regular languages. Note that eve...

for finding and extracting numbers from the viewbox attribute. see also my generalized SVG number regex. v2: added support for scientific notation

for correctly parsing numbers in SVG attributes like path d or viewBox with regex v2: added support for scientific notation

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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Validates and obtains the Telegram user's username according to the rules for creating usernames

To check for Egyptian phone numbers using a regular expression Format of Egyptian phone numbers: It starts with 01 (indicating mobile numbers). Followed by one of the following digits representing the mobile provider: 0 for Vodafone. 1 for Etisalat....

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

just as god intended. "T const" -> "const T"

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

Supports parameters such as keys and values, also parameters enclosed in quotes.

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for ansible regex_search in docker envs

Parses CSV files using comma (,) as delimiter and double quote (") as quoted-field tag. Features: Respects empty fields, including at the beginning and at the end of the line Respects line breaks in quoted fields

The ORCID ID (16-digit identifiers) format checker. Reference: Format of the ORCID iD