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.

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.

Accomodate for Discord's username changeover and match against either the old username or the new username. But only one or the other. Match: CesarHvl#9000 cesarhvl cesar.hvl...

Case insensitive match the whole word betwween \bword\b

To find at most 3 a in string

Format phone numbers to look nice! E.g. 12345678900 --> +1(234)-567-8900 Matches with most ways numbers are stored 1.234.567.8900 1 234 567 8900...

1 caractère minuscule minimum 1 caractère majuscule minimum 1 chiffre minimum 1 caractère spécial minimum pas d'espace 8 caractères minimum en tout

It needs a major modification, since matching an integer is required. The accepted answer \d+ involves only "positive" integers. But -333 or +777 are also integers, which leads to two possible solutions with the last one being the most accurate: -?\d+ : The hyphen (optional minus sign) and a digit ...

Four examples of word wrapping at the 80 character mark, each one taking fewer steps than the last. Comment and uncomment lines with # to see the difference between versions. Optimization discussions welcome!

The is helpful for parsing the symbolic reference of a PHP class object for validation or just determining the type and target for the operator. The expression is intended for working with classes and class methods, so the value on the right of the Paamayim Nekudotayim :: will alway be regarded as ...

验证阿拉伯数字金额 "-999999999 ~ 999999999" ,小数点后面保留2位

Searches for the first list element in a graphql query, which allows for filtering and pagination, except for the group node

String doesn't start or end with . - '

Match all numbers from a string.