Regular Expressions 101

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Regular Expressions 101

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2

RewriteMatch into subfolder

RegEx for an .htaccess rewrite into a subfolder without provoking a 'too many redirects' error

Submitted by Nils B. - 7 years ago

2

Password (4 Classes)

1 Uppercase 1 lower case 1 number 1 not a number or letter

Submitted by anonymous - 7 years ago

2

paramaterised sql like expressions for sybase

no description available

Submitted by robessog - 7 years ago

2

multiple sql like expressions

no description available

Submitted by robessog - 7 years ago

2

search for a regex excluding a word

^((?!proposed_).)*((project|task)_details) matches: project_details task_details...

Submitted by aymon - 7 years ago

2

Delete Blank Lines

no description available

Submitted by anonymous - 7 years ago

2

IPv6 detection

It's too large to match with all which seems like an IPv6. It's not perfect, but it's detects more valid IPv6 than some others regex.

Submitted by Ajabep - 7 years ago

2

Matches human genomic coordinates

This expression matches human genomic coordinates, similat to those being used by genome browsers (e.g. the UCSC Genome Browser). It can match: chromosome, chromosome start, chromosome start end, chromosome start end reference sequence, chromosome start end reference sequence alternative sequence. T...

Submitted by Panagiotis Moulos - 7 years ago

2

Email combo to username combo

no description available

Submitted by anonymous - 7 years ago

2

negative lookahead

no description available

Submitted by anonymous - 7 years ago

2

URL MATCH

Submitted by activesatan - 7 years ago

2

.(\d+). Selects last number

no description available

Submitted by anonymous - 7 years ago

2

Eircode

Eircode validation for new postcodes identifiers in Republic of Ireland. Case-insensetive for easier user input. Added optional space separator to follow same pattern as in UK post codes and in examples used in eircode spec.

Submitted by Arek Jaworski - 7 years ago

2

Match multiline comments /* ... */

It won't match single line comments like this one: //* This comment won't be match */ ^ see the double / Works in PHP without the g modifier.

Submitted by SimonaHalep - 7 years ago

2

php naming convension (classes, vars, functions, constants)

PHP Basic coding standard Naming Convension pattern: /^\pL_*$/

Submitted by Najmuddeen Mohammed - 7 years ago

2

Ansible Host Var checking

We had an issue where the "hosts=some_var" value could cause mass deployments if the wrong value was passed through. Specifically a comma with nothing surrounding it (i.e. "hosts=,"). This regex will allow us to fail when certain characters are present.

Submitted by anonymous - 6 years ago

2

check name

no description available

Submitted by anonymous - 6 years ago

2

URL parser

The best way to parse URL via Regex. This can be used in javascript, PHP, etc.

Submitted by Ivijan-Stefan Stipic - 6 years ago

2

Matching Character Class Transitions (customization of \b)

\b can be replicated as (?<=\w)(?=\W)|(?<=\W)(?=\w) Understanding how to create these class transitions can be beneficial for several reasons. In this instance, counting the results of this regex can be used to measure randomness within strings containing multiple character classes.

Submitted by @notGeorgePBurdell - 5 years ago

2

NSU ID Card Checker

no description available

Submitted by anonymous - 5 years ago

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