Regular Expressions 101

Sponsors

Library entries

0
pcre2

正規式向後看

抓括號後的文字
Submitted by Devin - an hour ago
0
javascript

MyRegex

Parse
Submitted by anonymous - 14 hours ago
0
javascript

import syntax for regex with grouping

HAYO!
Submitted by CreeJee - a day ago
0
pcre2

Semver regex

Example of regex for semver with pre-releases
Submitted by anonymous - a day ago
0
pcre2

Números reales

Números reales
Submitted by Carlos Osmar - 2 days ago
0
pcre2

Validación de fecha

Este código validará la fecha
Submitted by Carlos Osmar - 2 days ago
0
pcre2

Doble Espacio

Encuentra texto con toble espacio
Submitted by Carlos Osmar - 2 days ago
0
javascript

Capture Words

Get each word from a text.
Submitted by anonymous - 2 days ago
0
javascript

File extension

Parse file extension.
Submitted by Webmato - 3 days ago
0
pcre2

Invoice nr

regexp search in mongo db by nr
Submitted by Tivadar - 3 days ago

Username with "_" "-"

Vote

12

Regular Expression
javascript

/
^(?=.{3,20}$)(?![_.-])(?!.*[_.-]{2})[a-zA-Z0-9_-]+([^._-])$
/

Description

Loading markdown...
Submitted by Gianvy - 7 years ago