![]() ![]() (matches any single character), (matches any one character), ^ (matches the start position), $ (matches the end position) and many more to devise a search pattern. The language of regex uses meta characters like. The regex is commonly used with UNIX operating system with commands like grep, ls, awk and editors like ed and sed. Pattern based searching has become very popular and is provided by all the known languages like Perl, Java, Ruby, Javascript, Python etc. The regular expression is often termed as regex in short. The pattern is applied on strings to find and extract the match. The regular expression is written with series of characters that denote a search pattern. ![]() Regular expression is a pattern matching language that performs a match on a given value, content or expression. It enables you to perform testing based on regular expressions and many more other features.It gives you real time test results that covers metrics like latency, throughput, response times, active threads etc.It allows for remote testing by having different JMeter instances running as servers across nodes and accessed from a single client application.It supports creation of different flavors of test plan that includes Web, Database, FTP, LDAP, Web service, JMS, Monitors etc.It supports parameterized testing through the concept of variables.It provides debugging and error monitoring through effective logging.It enables you to build test plan structurally using powerful features like Thread Group, Controllers, Samplers, Listeners etc.It provides a concept of template which are pre-defined test plans for various schemes or protocols that can be directly used to create your required test plan.JMeter can also be ported on the server allowing to perform tests in a distributed environment. It also allows you to work in a non-GUI mode. It provides a comprehensive GUI based workbench to play around with tests.It supports wide variety of protocols for conducting tests that includes, HTTP, HTTPS, JDBC, FTP, JMS, LDAP, SOAP etc. It supports testing on both client-server and web model containing static and dynamic resources. The application may be running on a Web server or it could be a standalone in nature. IntroductionĪpache JMeter is an open source Java based tool that enables you to perform functional, load, performance and regression tests on an application. Before we look at the usage of Regular Expression Extractor, let’s look at the concept. We will go about parsing and extracting the portion of response data using regular expression and apply it on a different sampler. In this example, we will demonstrate the use of Regular Expression Extractor post processor in Apache JMeter. ![]()
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