Regular Expressions 101

Extracts HTML tags, HTML entities, alphanumeric words, and the rest.

It fiters plain text from plain text + html content, the input has the shape: "plain text html content" It keeps only the plain text at the beginning.

valida fechas de 19## a 20##, en formato yyyy-MM-dd

This regexp was created to search all the id's in a HTML with the objective to clean the code and delete them.

Allow get the value of the some attributes from a html text

get src url from img tag in html

This is validation that is used in html5 for validate the url. http://www.faqs.org/rfcs/rfc3987.html

This will match a word that is not wrapper by the a specified HTML element (with a class).

Matches HTML entities like <

My html tag regex

Regex of the TYPO3 Extension dpn_glossary. It ignores the children of the fetched content. http://bit.ly/dpn_glossary

(.*?) example: Your best title

Matches any text starts with ""; Tag exclusions described in first non-capturing group (can be removed); Tag name will be captured by group #1;

This one removes ALL attributes if "style" is found. See my other expression to only remove the style.

Matches all from