Searching for substrings is done with
which expands to the index of the first occurrence of substring in
string. The first character in string has index 0. If
substring does not occur in string,
index expands to
index(`gnus, gnats, and armadillos', `nat') =>7 index(`gnus, gnats, and armadillos', `dag') =>-1
The builtin macro
index is recognized only when given arguments.
Go to the first, previous, next, last section, table of contents.