Are often simply called regexps or RE, but for consistency I'll be referring to it with it's full name. Usage Now you're probably wondering why you should bother to learn . Developers can use them to parse text files, fix up code and other wonders. Actually I would go so far as to say it's a crime for a System Administrator not to have knowledge of . Quantifiers The punctuation mark, or dot, needs explaining first since it often leads to confusion. The Regulator. ★ 4.8 Stars (52) 185 Downloads (This Week) Last Update: Download Regulator20Bin.zip Browse All Files Windows The Regulator is an advanced Regular expressions testing tool, featuring syntax highlighting and web-service integration with Regexlib.com's database of online regular expressions.
By passing in an optional SortFunction, you can sort numerically and by other criteria as well. If SortFunction is defined, the array elements are sorted based on the relationship between each pair of elements within the array, "a" and "b", and your function's return value. The three possible return numbers are: <0 (less than 0), 0, or >0 (greater than 0): Less than 0: Sort "a" to be a lower index than "b" Zero: "a" and "b" should be considered equal, and no sorting performed.