Regex of email with ability to add gmail's +example system example: root email = user@gmail.com gmail+ = user+extra@gmail.com

Replace sub-strings in string

Matches palindromes: arbitrary length ignores non-significant characters (spaces, ponctuation) ignores accents, provided the text is NFD-normalized recursive palindromes (e.g. "a été à"): either match the longest one ("a été à") or the nested ones individually ("a", "été", "à") (see comment)

This RegEx removes unused elements such as inline comments and blank lines in python code. This will save you tokens and time when using GPT-3+ or ChatGPT to help code and debug.

Phone number for all countries. Valid symbols: ( ), -, whitespace

Get ip address (only ipv4) Validator

validates against multiple common formats

Matches protocol, domain, port, path, query and anchor as named capturing groups.

IDN Domains & Normal Domains This regex is able to identify any type of domain or subdomain whether it is IDN or normal, this includes domains in emojis, non-Latin characters, etc.

POSIX ERE compatible, suitable for usage in Bash [ testing Attributions Derived from [regex101: RFC1918 - Private IPv4 addresses by 0100101101001.

Validates a streetname + housenr + extension Somestreet 12 b

Port https://regex101.com/library/cX0pJ8 to PCRE2 (PHP >= 7.3)

Json Object

US phone number, try to catch as many as possible

.htaccess wordpress redirect uploads to production domain

Spring boot logback 日志正则匹配。 样例日志 2019-12-27 13:52:38.201 INFO 1 --- [Thread-8] j.LocalContainerEntityManagerFactoryBean : Closing JPA EntityManagerFactory for persistence unit 'default' 2019-12-27 13:52:39.535 INFO 1 --- [Thread-8] com.alibaba.druid.pool.DruidDataSource : {dataSource-1} closed ...

Regex for matching https://mega.nz file and folder URLs. https://github.com/tonikelope/megabasterd/issues/215

The following regex validates international mobile numbers