Python does not support conditionals using lookaround, even though Python does support lookaround outside conditionals. (?(?=regex) then|else) is illegal in python (?=regex)then|(?!regex)else - this works. madness details in the test strings

Matches the image mime types. E.g image/png, image/jpeg, etc.

starts with number and ends with string or number starts with +ve, -ve or decimal number

Patternmatching of several Daterange Patterns Quarter 2021-Q2 Range...

Split number and string exp. data as below 17091327 Ren Xian Xtrcb County Bank Corporation Limited 50156 0862315402 19D 17091342 BaoDing QingYuan District Xtrcb Rural Bank Corporation Limit40156 0862315401 19D

email regex

guif

guif

guif

Intentionally leaves out weird stuff such as IPV4 or IPV6 for the domain part and quoted usernames with invalid chars in the addressee part. Handles internationalized domains with soft validation (only structural matching) and blocks domain parts starting or ending with dashes or containing double d...

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Turns a URL provided by the user (copied from the address bar) into a url to access the same quiz with the Canvas LMS REST API.

find Excel command in script based on json

Russian phone regex

This allows only the specified characters to be a valid MyKad or Passport Number in Malaysia.

Matches street number in it's 2nd group

We had an issue wherein people were attempting to use strings as booleans in JavaScript. E.G.: return ( {thisIsAString && ... )...

Python regex of multiple file rename

Find operation in string (used in my personnal project)

match mail adress