this regex is able to validate a date (format dd.mm.yyyy) in every state of user typing. i use it to ensure that the user isn't able to type in an invalid date at all (except from a leap year check which is done afterwards) The regex also makes assumptions of 'missed' separators so 1234 is captured...

Blythedale Performance Evaluation Regex to check the Uploaded Filename

Testing (delete)

This example uses colon (:)

Replaces preceeding directory with / when ../ is used.

for windows

Credits to TessellatingHeckler on StackOverview.com http://stackoverflow.com/questions/34235484/how-to-add-groups-to-capture-words-from-regex-split-pattern?noredirect=1#comment56214669_34235484

(?=.*[A-Z]) # must contain 1 uppercase letter (?=.*[0-9]) # must contain 1 digit (?!.\n) # must not contain a newline character (?!.*\s) # must not contain any whitespace characters (?=.*[!$#+@%&]) # nust contain one of these symbols .{8,} # match a...

splits into command arguments: spaces split quotes keep spaced texts together \" escapes the quote

matches all positive or negative float or integers

Get Wikis or Wikipedia urls. I use it for Stylish extension in Firefox

Catch directive and anything inside {} @widget('x') { test }