Zoekt naar de punt vóór de extensie en geeft alle tekst terug tot aan het einde v/d string.

Starts with Alphabet but may contains numbers and underscore _

Pattern that only accept numeric value and greater than zero with up to decimal places( you can change the decimal places just replace {1,2} depend on how many decimal places you like

Simple file names. Special chars allowed (-_.) {3, 40}

Matches alphanumeric slugs without repeating dashes

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

Simple check on the correct format of a time stamp including time zone information

Second line of the machine readable passport, based on the excellent article here - http://www.highprogrammer.com/alan/numbers/mrp.html

checklists item

Uses a single string to match any node require variables