If you’ve struggled with regular expressions that took hours to match when you needed them to complete in seconds, this article is for you. Java developer Cristian Mocanu explains where and why ...

Before looking at how Groovy improves on the handling of the regular expression, I round out the Java example that was started above to also include an example of Java’s Matcher class in action ...

Java provides the java.util.regex package for pattern matching with regular expressions. Java regular expressions are very similar to the Perl programming language and very easy to learn. A regular ...

//System.out.println(s1.matches("."));//is it a single character //System.out.println(s1.matches("[abc]"));//is same any one of the character define in set ie. a|b|c ...