question about bash not returning expected results, the same result as this saved regex returns here

removes port number from URL

Validate 1-223.0-255.0-255.0-255:1-65535

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(?:https?:\/\/)?(?:www.)?instagram.com\/?([a-zA-Z0-9\.\\-]+)?\/([p]+)?([reel]+)?([tv]+)?([stories]+)?\/([a-zA-Z0-9\-\\.]+)\/?([0-9]+)?

should match any domain with one or more subdomains

Example used in slide 39

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Gets the base ID of the ECTR ID when using copy and paste.

A regular expression of Malaysian phone number I made to be used on a project using flutter.

OIDs are just numbers in the format 1.2.3.4.5.6.7.8.9... Short names are alphanumeric, contiguous descriptions (no spaces, hyphens allowed) Long names can be basically everything (sometimes even UTF-8!) Sometimes, organisations providing the list of 'their' OIDs might reverse the order, for listing...

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It detects the following ` product { brand` and ignores ` product {...

Changing from MPa to Bar

Replace letters in email address but left the first and last letter before and after @

Remove all tags and special character such as  

In an HTML will replace all auto-closed tags (/>) with a proper tag closing. It works even if the tag has a closing sign (>) inside an attribute.

PHP serialize / unserialize __sleep __wakeup __serialize __unserialize

Use to get any character, digit or space between parentheses