Regular Expressions 101

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Regular Expressions 101

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1

Extract the only the Nth field from a delimited string

The aim of this regex is to extract only the Nth field from a delimited string. In the example provided the delimited is the pipe character. You will have to substitute the pipe character for whatever delimiter you are using.

Submitted by 0jag - 6 years ago

1

Remove Markdown Links

no description available

Submitted by anonymous - 6 years ago

1

Make PHP var_dump() output more compact

The PHP function var_dump() provides debugging output, but has more line-breaks than is needed for readability. This regex strips out the (in my eyes) unnecessary line-breaks. Good in a self written debugging method in combination with ob_start()and ob_get_contents().

Submitted by Doqnach - 6 years ago

1

URL Slugs Optimized

This slug regex is optimized using strictly my own opinions. Slugs: Should be english, alphanumeric phrases separated with a single dash. Should not contain single alpha character between dashes....

Submitted by Jordon Baade - 6 years ago

1

A revised e-mail validation regular expression

This one allows to begin with a digit, however, sometimes e-mail should begin with an *English letter *

Submitted by anonymous - 6 years ago

1

Youtube ID Extractor

no description available

Submitted by anonymous - 6 years ago

1

Localhost/private ip origin check

Used by CORS to check for localhost/private IP origins Check out the unit tests at /r/2Ofume/1/tests

Submitted by ngokimphu - 6 years ago

1

Formatar CPF

Retorna um cpf no formato 123.456.789-11. Cpf de entrada deve conter apenas números

Submitted by anonymous - 6 years ago

1

Matching email addresses per RFC5322

The BNF rules from RFC 5322 transformed to PCRE by Nikita Popov and described in the post http://nikic.github.io/2012/06/15/The-true-power-of-regular-expressions.html.

Submitted by Michael Musson - 6 years ago

1

Word Wrap examples

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!

Submitted by OnlineCop - 6 years ago

1

Matching an Saudi Postal Code

Saudi Postal Code has five digits, if you would to have more information check the below: +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ First Digit (Postal Regions): "The postal region number is represented by the first digit of the postal code" ...

Submitted by Fares Alarabi - 6 years ago

1

Email matching with a grain of salt

Inspired by Micheal Musson entry Wich was hard to use in regex flavours that don't support recursion (C# engine doesn't) i've build my own simpler version wich matches what i would accept as validation entry

Submitted by Luigi Trabacchin - 6 years ago

1

Basic DOI

no description available

Submitted by anonymous - 6 years ago

1

Contraseña Fuerte

Valida que la contraseña deba estar compuesta por una mayúscula, minúscula y números con un rango de caracteres desde 8 hasta 16 dígitos. Ejemplo Aropd123 Argpd 123

Submitted by Nelson Wandurraga - 6 years ago

1

Unix ANSI escape codes

Unix ANSI escape codes Hi , in my Terminal project in want a method to find (Unix ANSI escape codes) and run its command. For More information : https://en.wikipedia.org/wiki/ANSI_escape_code...

Submitted by Shahin Pendar , shahinpendar@gmail.com - 6 years ago

1

Check list of integers numbers separated by comma

Check list of integers numbers separated by comma Ex: "1, 2, 4, 6" >> OK "99" >> OK "a, b, c" >> WRONG...

Submitted by anonymous - 6 years ago

1

French Phone Number Validation

Accept several kind of format, more or less usual. And refuse incorrect formats. Prefix: 0033 / +33 / (0) / 0 Number: collapsed / group by 2 / group by 3 Separator: space / dot / dash

Submitted by RonanKER - 6 years ago

1

Validate and decompose email address (English alphabet compliant)

If you understand the regexp, you can adjust it to your need. restrict special characters to .%_'- (localpart) limit length of each part and the whole to reasonable size supports 'XN' tld If you need help, read http://www.regular-expressions.info/email.html See also https://www.debuggex.com/r/9cdaaw...

Submitted by RonanKER - 6 years ago

1

Capture the last space in a line of text with Negative Lookback

Looks for the last single space in a line of text.

Submitted by anonymous - 6 years ago

1

Acts

Extract Act names from statements

Submitted by anonymous - 6 years ago

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