For a test PHP for my school

This regex is helpful to remove all tags

Match an email address

This PHP regex will match any string that contains Indic character combinations known to crash many iOS applications as of 11.2.5 and certain macOS combinations as of 10.13.3. The crash occurs in CoreText. Notes This regex will only work if you use the x and u modifiers. Example: "/regex-goes-he...

This PHP regex will match any string that contains Indic character combinations known to crash many iOS applications as of 11.2.5 and certain macOS combinations as of 10.13.3. The crash occurs in CoreText. Notes This regex will only work if you use the x and u modifiers. Example: "{regex-goes-he...

(location=)(.*)(%2C%20TX) 'https://www.airbnb.com/rooms/18520444?location=Cleveland%2C%20TX'

Will match anything after p

Match patterns of form "{% sentence_prefix %} (is|are) (a|the) {% description_of_prefix %}". Should almost always match part of the first sentence of a Wikipedia article.

Find text between double square brackets in php

This will force a cidr block in the 10.x.0.0 range. Very useful if you restrict your cidr block to 10.x.0.0 in cloudformation (AWS).