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The first time I ever encountered a regular expression was many years ago now, but I still remember my first thoughts on it: What is this string-like thing? I don’t want to touch it, it looks scary. I ...
Regular expressions — the things you feed to programs like grep — are a bit like riding a bike. It seems impossible until you learn to do it, and then it’s easy. Part of their bad reputation is ...
Regular expressions are a powerful computing tool, with near-mythical status in some programming circles (here is one of my favorite online comic series’ take on ...
If you’ve programmed in Perl or any other language with built-in regular-expression capabilities, then you probably know how much easier regular expressions make text processing and pattern matching.
For this work with regular expressions, we will start with a browser-based tool. Below is a list of file names. We want to write a regular expression that captures parts of each string. Copy the text ...
Whether you are parsing logs or validating input, using regular expressions is a great way to accomplish both of these things. The problem is: regular expressions can be hard and that will only grow ...
In programming, a set of symbols used to search for occurrences of text or to search and replace text. The simplest regular expressions are DOS/Windows wildcards; for example, *.html refers to all ...
When working with regular expressions in a shell script the norm is to use grep or sed or some other external command/program. Since version 3 of bash (released in 2004) there is another option: ...
The reflector DBM can be asked to search for a common name by means of a Basic UNIX regular expression applied to all common names known to the DBM. A regular expression search is useful when part of ...
Search Engine Land » Platforms » Microsoft » Bing » Bing SEO » A Marketer’s Guide To Using Regular Expressions In SEO Share Regular expressions (regex) are one of the most powerful tools we have in ...