Deal with substrings in strings.
The substr package provides commands to deal with substrings of
strings. Macros are provided to:
– determine if one string is a substring of another,
– return the parts of a string before or after a substring and
– count the number of occurrences of a substring.
The author is Harald Harders.
License: lppl Version: 1.1 Catalogued: 2006-12-23