Inefficient or overly complex Regex patterns that are vulnerable to polynomial runtime due to excessive backtracking, could potentially lead to a Denial of Service (DoS) attack, especially when ...

Java’s String class encapsulates an array of bytes. A byte can be converted to a char, in which case, String becomes an array of characters used to compose words, sentences, or any other data you want ...

I was involved in a recent discussion on the "best" way to remove a given parameter from a URL string. The conversation began with using string primitives to split and join the parameter, a method ...

A Java string is a sequence of characters that exists as an object of the class java.lang. Java strings are created and manipulated through the string class. Once created, a string is immutable -- its ...

I have REST Client injected to my resource class. @Path("/hello") public class GreetingResource { @Inject @RestClient HelloResourceClient helloResourceClient; @GET @Produces(MediaType.TEXT_PLAIN) ...

The first half of this tutorial introduced you to regular expressions and the Regex API. You learned about the Pattern class, then worked through examples demonstrating regex constructs, from basic ...

Like riding a bike, knowledge of regular expressions will stay with you forever, allowing you to manipulate text quickly and easily. In this part of the series, Ondrej focuses in on groups, ...