Regular Expressions 101

Please wait while the app is loading...

Regular Expressions 101

@regex101 Donate Sponsor Contact Bug Reports & Feedback Wiki What's new?

Order By

Filter by Flavor

Sponsors

All your environment variables, in one place

Library entries

Search library

1

String doesn't start or end with . - '

String doesn't start or end with . - '

Submitted by VS - 2 years ago

1

Match all numbers

Match all numbers from a string.

Submitted by VS - 2 years ago

1

Sınıfları Tek Tek seçme

Submitted by anonymous - 2 years ago

1

sim ou não

expressão regular que só aceita s para sim e n para não

Submitted by José Airton Neto - 2 years ago

1

Match segmented paths with '\' and '/' escaped by '\'

Match segmented paths with '\' and '/' escaped by '\'

Submitted by anonymous - 2 years ago

1

css attribute validation

css attribute validation

Submitted by arnab - 2 years ago

1

标点

匹配大部分标点

Submitted by anonymous - 2 years ago

1

sfdgvsdgdfg

Submitted by anonymous - 2 years ago

1

yyyy/mm/dd

^(((\d{3}[1-9]|\d{2}[1-9]\d|\d[1-9]\d{2}|[1-9]\d{3})(\/)(((0[13578]|1[02])(\/)(0[1-9]|[12]\d|3[01]))|((0[469]|11)(\/)(0[1-9]|[12]\d|30))|(02(\/)(0[1-9]|[1]\d|2[0-8]))))|(((\d{2})(0[48]|2468|13579)|((0[48]|2468|3579)00))(\/)02(\/)29))$ Match year/month/day, date format. E.g: 2021/08/25 [match] 2021/...

Submitted by mayl0421 - 2 years ago

1

Match Windows filename in any path but only C: D: and F: drives

Used for Service Discovery in vRealize Operations. Use case is a service that can be installed on any path, but we only want to discover and monitor services installed on standard production drives (C, D or F). Filename will always be the same.

Submitted by Various - a year ago

1

11

Submitted by 11 - a year ago

1

IPv4 + TCP-Port

This regex matches a IPv4 with a TCP Port (1-65535) Example: 192.168.0.69:1337 will match and have the groups: Group 1: 192.168.0.69 Group 2: 1337

Submitted by SIMULATAN - a year ago

1

Rick Roll

Matches chorus of Never Going to Give You Up

Submitted by Stephen Battista - a year ago

1

Android Package Validation - Java Regex

Note: replace the "\." with "\\." if you paste this on your java. The regex will match if the package name is valid. example: my.new.hello.world.app Supports: a-z 0-9 and underscore Supports multiple dots

Submitted by dlv_dls2 - a year ago

1

匹配中英文括号

可以用来替换企业名称中的中英文括号 eg: 阿里巴巴（中国）股份阿里巴巴(中国)股份

Submitted by tuan_luo - a year ago

1

Matching build file names

Matches various versions of build file filenames from our jenkins builds

Submitted by Sean Furrh - a year ago

1

Facebook IDs

A general regular expression that uses the keywords 'Facebook' and 'id' to collect strings that contain Facebook IDs. Also, added an additional condition to where if there's a long numeric string it will be match a group given that, 'Facebook' is within the string. This is a special use-case and can...

Submitted by loganmcampbell - a year ago

1

9 Digit SSN String

If for whatever reason there isn't a delimiter within your data to for storing your SSNs you should be able to use this regular expression to capture 9 digit strings within data. You might need to add special keywords to filter out false positives.

Submitted by loganmcampbell - a year ago

1

Specific Year Dates (Regular Expression)

Here's a regular expression to handle a specific year in the different forms of dates: YYYY-MM-DD DD-MM-YYYY MM-DD-YYYY ...

Submitted by loganmcampbell - a year ago

1

Regular expression for capturing dates and date ranges.

A proof of concept regex that captures dates and date ranges with a variety of separators. Works with both DMY and MDY, and if one is not needed, it can be easily deleted from the regex. The full variety of months needs to be implemented by the programmer themselves since developing it in regex101...

Submitted by Matey Krastev - a year ago

1...9 10 11 12 13