Regular Expressions 101

Validate an IPv4 address. The addresses are four numbered separated by three dots, and can only have a maximum value of 255 in either octet. Start by trying to validate 172.16.254.1.

Regex Pattern ^\s+|\s+$|(\s)\s+ Replacement $1 ...

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...

Identifies duplicate word and word combinations that exist consecutively within a string for removal. It is currently configured for up to 3 consecutive words but can be extended by adding additional (\s+\w)* to the first groups pattern match logic use with substitution val $1 good for removing d...

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...

Detects any UUID 4 strings

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

thanks

Exponential Value Identification

Could you help me validate my input and only match positive integers between the range of 0 and 100? There can be several numbers in a string which I would want to retrieve. Try out these example strings: ...

Use substitution to put commas in all numbers to separate the thousands. ie: 12345678 → 12,345,678. The number could be in a sentence, and there may be more than one number in the sentence.

Sri Lankan Land/Fixed-line Telephone Number Validation This expression validates if a given value is a valid Sri Lankan fixed line / land line telephone number. Sri Lankan land line numbers starts from 0 and does not contain 7 in the 2nd digit, and is 10 digits in length. ...

See https://en.wikipedia.org/wiki/Telephone_numbers_in_Sri_Lanka

This regex separates numbers with commas taking 0 into account.

Regex validação número celular e fixo Somente números nacionais Com ou sem DDI 55 (com ou sem + e/ou 00) DDD obrigatório (com ou sem parênteses) Com ou sem Dígito 9...

222

Sri Lankans have two types of identifiation numbers. National Identity Card number Sri Lanka Identity Number National Identity Card number...

Replaces one style of markdown image with another

This regex matches most of the rules of conventional commits .