I use this regex to quickly convert the class' variables into a string which is usable with the "function" array. I copy-paste the varialbe name and use this regex. Useful to convert all your variable and put it in the magic function __sleep(). After it, you can delete the variables you don't want.

Need everything inside this as separate variable :)

Works for the Julian calendar, dates between 0000-01-01 and 9999-12-31. Includes my birth date in the 4th example.

Substitutes a group of dates by its information and captures the date information. Also allows fooled dates. (2015-02-30, 2015-03-32 for example)

Find Music Chord

make sure mysql tables have the correct form

This extracts the "root" (e.g. drive) from a Windows path. See the unit tests for examples

SO Question

Regex : /^\s\d+\s$(?:\r?\n?)+^\s([\d:,\.]+)\s-->\s([\d:,\.]+)\s$(?:\r?\n?)+((?:.(?:\r?\n?)?)?)(?:\r\n|\r|\n|$)/gm; Test String : 1...

Calculates the greatest common divisor of two numbers. Attention: pipes in the substitution separate alternatives. If one alternative does not match, the next alternative is tried if it exists. The substitution must be repeated until it cannot substitute further.

Regex for phones in Guatemala

You can format p:empty paragraphs with CSS, but sometimes they are not completely empty. This is meant to remove those.