Replace letters in email address but left the first and last letter before and after @

tas-branch-validation

Replaces ^ with Math.pow function call. This assumes all braces have been combined first. If you need help with the combination, I got you—try this Python algorithm: def evaluate_braces(expr): """Recursively evaluate expressions within braces""" Check if expression contains braces if '(' in...

Remove all tags and special character such as  

ip address regex

\w

In an HTML will replace all auto-closed tags (/>) with a proper tag closing. It works even if the tag has a closing sign (>) inside an attribute.

Database data type determination and extraction. Example: varchar(20) varchar2(20) number(20,3) timestamp...

PHP serialize / unserialize __sleep __wakeup __serialize __unserialize

test

Valid date (DD-MM-YYYY) from 1900 to 2099

普通日志匹配, 匹配出字段: [time, level, logClass, content]

Use to get any character, digit or space between parentheses

/^(?P0|[1-9]\d)\.(?P0|[1-9]\d)\.(?P0|[1-9]\d)(?:-(?P(?:0|[1-9]\d|\da-zA-Z-)(?:\.(?:0|[1-9]\d|\da-zA-Z-))))?(?:\+(?P[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$/gm

This will match any words that show up before the @ sign in an email. Digits, dots, commasz and other special characters are ignored.

It matches CPF (Cadastro de Pessoa Física) with all digits as the same number. Since CPF consists in a pattern ###.###.###-##, or ###########, and # being a single digit, this document cannot have all the 11 (eleven) digits as the same number. Therefore 000.000.000.000-00 would not be an example o...

A simple regex to match individual arguments of a function.

throw elasticsearch exception logger info, find exception type and reason field

semantic tags

Password