Extract html element & content

Basic email address validation example

regex match on lastname and domain

Im IT Zollverfahren Atlas werden die bisherigen Zollregistriernummern ATx Nummern durch MRN ersetzt. Der Aufbau der MRN erfolgt nach folgendem Schema: Stelle / Inhalt / zulässige Werte 1-2 / Jahr / 2 Integer (24 bis 99) 3-4 / Land / 2 Char (DE)...

This function extracts the Google Tag Manager (GTM) key from a given input string. The GTM key typically follows the format "GTM-XXXXXX", where "XXXXXX" represents a unique identifier.

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I come across Dutch postcodes quite different from normal 5 or 6 digit postcodes. So, this regex covers most possible postcodes. Test cases: 1234 AB // Dutch postal code 12345 // Generic 5-digit postal code 380059 // Indian 6-digit postal code...

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validate email address according to RFC 5322 specification. I tried to optimize regex radically restructuring the original BNF-like specification with full support preserved.

Validate only / non-capturing

for find chicken bacon onion

A RegEx to match any Intel x86-Assembly register.

A RegEx to match any Intel x86-Assembly register in a case-insensitive way. This is due to a limitation of the engine this regular expression was originally written for. Here is an updated version that is written for Regex-Engines that support the /i flag: https://regex101.com/library/4v1bVf

Pattern to identify LOINC codes, derived from the description in LOINC.org (June 2024):- LOINC codes have a fixed length field of 7 characters within the LOINC database. Current codes are from 3-7 characters long. If you are currently building a system to include LOINC codes, we advise allowing up t...

These codes are used to indicate where a medical service was provided in US healthcare (https://www.cms.gov/medicare/coding-billing/place-of-service-codes/code-sets). The codes should be 2 digits. Single digits should have a leading 0. It's possible data loading might drop such values, and then t...

The CMS, who maintain these codes, describe the format as:- "HCPCS Level II codes (also known as alpha-numeric codes) consist of a single alphabetical letter followed by 4 numeric digits." (https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system) NOTE: This regex will not iden...

The CMS, who maintain these codes, describe the format as:- "HCPCS Level II codes (also known as alpha-numeric codes) consist of a single alphabetical letter followed by 4 numeric digits." (https://www.cms.gov/medicare/coding-billing/healthcare-common-procedure-system) NOTE: This regex will not ide...

Revenue codes are standardized numerical codes used in the healthcare industry to specify the type of service provided by healthcare facilities on patient billing statements. They help categorize and detail the services rendered for both inpatients and outpatients, allowing for accurate billing and ...

Used to identify the patient's care during their hospital stay and help ensure that hospitals are reimbursed accurately for their services. A data element corresponding with UB-04 form locator FL4 that classifies the claim as to the type of facility (2nd digit), type of care (3rd digit) and the bil...

CPT is a uniform coding system consisting of descriptive terms and identifying codes used primarily to identify medical services and procedures furnished by physicians and other health care professionals for which they bill public or private health insurance programs. It is a numeric coding system ...