New package: xstring
xstring by Christian Telllechea has been released today. The package provides macros for the manipulation of strings. Some Features:
- tests, if one string is contained in another string (n times),
- extraction of substrings in several ways,
- substitution of some or all occurrences of a substring,
- numerical calculations with string length, position of nth occurence of a substring etc.
You will find the package and its documentation on CTAN.
