regexp

Oro

RegExp

Jakarta RegExp

Java port of Oniguruma: http://www.geocities.jp/kosako3/oniguruma that uses byte arrays directly instead of java Strings and chars

Named capturing groups for Java 5/6

Generex A Java Library for regex to Strings generation

A regular expression library for Java

WebJar for escape-string-regexp

Regular expression query

WebJar for path-to-regexp