if you want to validate user mail

validate a url with or without query string and scheme

Simple website validation for your casual usage

A search attribues in a image tag.

Identify if string contains filter keyword

This regular expression removes all special characters including whitespaces which are allowed in windows path name, file name and folder name.

uuu

replace-last-comma with semicolon similar to http://stackoverflow.com/questions/3829483/how-to-replace-last-occurrence-of-characters-in-a-string-using-javascript

replace-last-comma with semicolon similar to http://stackoverflow.com/questions/3829483/how-to-replace-last-occurrence-of-characters-in-a-string-using-javascript

Any date that as a valid month, a valid date and a year composed of 4 numbers. You can change the '-' caracter to any divider you want.

Any date that as a valid month, a valid date and a year composed of 4 numbers. You can change the '-' caracter to any divider you want.

Text to sentence is easy, but not when there are URLs or website names inside the text.

This just checks for case insensitive first name, last name, or both.

Extract channel name from Asterisk channel line

In string find regular expression or data type with limiters (start and end or summary count of symbols)

1900 - 2015. Useful for Birthdates