IT Professional

Albert Widjaja

Pau Lo

<div>
<blockquote>
Any sort of starting point will help as very new to regex
</blockquote>
You can use online services such as RegEx101 to have a live playpen to experiment with RegEx patterns<br />
<br />
For example, the above<br />
<a href="https://regex101.com/r/nFCgE6/1" rel="ugc">https://regex101.com/r/nFCgE6/1</a>
</div>


<div>
You shouldn't use the ^ and $ unless the entire document matches your pattern<br />

<pre><code class="code-1 nolinks" id="code-20-42740086-1"><span>[A-Za-z]{2}[0-9]{6}[A-Za-z]</span>
</code></pre>
</div>


<div>
Somehow I had the impression you were filtering the document names, but if you're going for content (and there's more than just the pattern you're searching for), then aikimark is correct, the pattern shouldn't be anchored like that.<br />
But since you're looking for a string with very specific properties, you should probably anchor it with &quot;\b&quot; (word boundary), otherwise the pattern will match strings starting with more than two and/or ending with more than 1 character of the set as well.<br />

<pre><code class="code-1 nolinks" id="code-20-42740152-1"><span>\b[a-zA-Z]{2}[0-9]{6}[a-zA-Z]\b</span>
</code></pre>
</div>


<div>
<div class="content wysiwyg-content">
I need to create some regex criteria to assist with a custom content filter in some eDiscovery software, to filter a 100 GB directory of data for any documents which contain a certain pattern of text to meet the criteria 9 characters long, first two characters any alpha (a-z), characters 3-8 any numeric characters, the final character any alpha (a-z). The alpha characters are likely to be uppercase but not always. Any sort of starting point will help as very new to regex
</div>
</div>


I need to create some regex criteria to assist with a custom content filter in some eDiscovery software, to filter a 100 GB directory of data for any documents which contain a certain pattern of text to meet the criteria 9 characters long, first two characters any alpha (a-z), characters 3-8 any numeric characters, the final character any alpha (a-z). The alpha characters are likely to be uppercase but not always. Any sort of starting point will help as very new to regex

regex assistance

A regular expression ("regex") is a sequence of characters that define a search pattern, mainly for use in pattern matching with strings, or string matching, i.e. "find and replace"-like operations. Regular expression processors are found in several search engines, search and replace dialogs of several word processors and text editors, and in the command lines of text processing utilities, such as sed and AWK. Many programming languages provide regular expression capabilities, some built-in, for example Perl, JavaScript, Ruby, AWK, and Tcl, and others via a standard library, for example .NET languages, Java, Python and C++ (since C++11). Most other languages offer regular expressions via a library.

Regular Expressions

Software is any set of instructions that directs a computer to perform specific tasks or operations. Computer software consists of programs, libraries and related non-executable data (such as documentation). Computer software is non-tangible, contrasted with computer hardware, which is the physical component of computers. Software written in a machine language is known as "machine code". However, in practice, software is usually written in high-level programming languages than machine language. High-level languages are translated into machine language using a compiler or interpreter or a combination of the two.

Software

A scripting language is a programming language that supports scripts, programs written for a special run-time environment that automate the execution of tasks that could alternatively be executed one-by-one by a human operator. Scripting languages are often interpreted (rather than compiled). Primitives are usually the elementary tasks or API calls, and the language allows them to be combined into more complex programs. Environments that can be automated through scripting include software applications, web pages within a web browser, the shells of operating systems (OS), embedded systems, as well as numerous games. A scripting language can be viewed as a domain-specific language for a particular environment; in the case of scripting an application, this is also known as an extension language.