This is a bit simpler version that is still quite robust. It was taken from a Formik example.

The regular expression used in the jQuery library to match characters that should be trimmed from selector strings.

This regular expression checks for below rules: Must not have special characters except a dash sign Must not start with a dash sign or white space Must not end with a dash sign or white space Must not have a dash sign or white space in sequence

to validate email

a word is anything valid within a parens (like in a function), but the function itself should not be matched a word may have a numeric at the end or the start there is no guarantee of a single space (or ANY space other than some operators)

Match all numbers from a string.

This regex will match when people ping someone or ping a group it will also match when people mention a channel for non-channel catching type use ``

frac

String doesn't start or end with . - '

Numeric value without decimal

Search for items in dot separated lists like 1 1.1 1.1.1 ... 2...

Best I could do for parsing dates spelled out as day, month name, year

Regex expression for comparing decimal numbers with the usual comparison operators such as (greater than), >= (greater than or equal to), != (not equal to), == (equal to), ... The regex also allows filtering of data from e.g. a database, whereby the first value is not needed, e.g. [FIELD] < 100

A regex for validating decimal numbers in the European number format (in many parts of Europe at least, including Germany). A comma is used as a separator for the decimal number, a dot as a separator for thousand places.

Matthieu 2 - 14 Jean 2-10 Apocalypse 12-22 Genèse 1- 10 Nombres 1- 10 Luc 1

Created for a Python program that needed to help recognize linker script filenames that resemble those for actual devices in Microchip's 16-bit DSC/MCU family of chips. The regex will match any such filename found in Microchip's xc16 support directory tree, as of xc16 v1.50. (I've actually tested i...