An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity. Generally, businesses need an EIN. It expects 2 digits at start, then a dash ('-') and then 7 digits. No assumptions regarding the allowed prefixes, etc.

Extract information about hemisphere and region name from Schaefer atlas labels. Personally I use this for nilearn.datasets.fetch_atlas_schaefer_2018 function where I access the labels property of the resulting variable, but you do you.

This regex will take both regular words and contractions

A "raw" expression matching numbers; anything from a simple 123 to -123,456.78e90 will be matched. Note: this may be vulnerable to ReDoS attacks when long multiline entries are available & a few hundered (or thousand depending on the length of the input) steps is a problem; check the Regex Debugger...

matches if the string is an even integer

good

Finds the text blocks in a t-sql (tsql) script

Converts the outcome from an SQL Agent Log (one liner) to multi lines, for easy read

Date regex

Flags the missing opening bracket.

problem satatement is to get all the amount despite of inconsistencies in comma or dollar sign also I need to exclude year from that (if no pattern can be made asssume to get all the amount greater than 3000)

Get decimal point amount from amount string with currency symbol

Duration regular expression as per https://en.wikipedia.org/wiki/ISO_8601 PnYnMnDTnHnMnS or PnW Examples: P1Y1M1DT1H1M1S P1M - 1 month...

test

Validates Irish Vehicle Registration Plates to S.I. No. 318/1992 - Vehicle Registration and Taxation Regulations, 1992 (as amended). Also validates modern 3 digit year identifier (introduced in 2013).

Yup...

Credit to Juarez and Slava who collectively derived the expression below here: https://stackoverflow.com/questions/14203122/create-a-regular-expression-for-cron-statement/63729682#63729682 For more in depth explanation see: https://gist.github.com/Aterfax/401875eb3d45c9c114bbef69364dd045

Breaks out CSI numbers for proper reformat

Format Date from different input

Log - Example1