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S9 LIB (string-find string1 string2) ==> string | #f
(string-ci-find string1 string2) ==> string | #f
(string-find-word string1 string2) ==> string | #f
(string-ci-find-word string1 string2) ==> string | #f
(load-from-library "string-find.scm")
Find the first occurrence of a small string STRING1 in a large
string STRING2. Return the first substring of STRING2 beginning
with STRING1. When STRING2 does not contain STRING1, return #F.
STRING-CI-FIND performs the same function, but ignores case.
STRING-FIND-WORD (STRING-CI-FIND-WORD) differs from STRING-FIND
(STRING-CI-FIND) in that is matches only full words, where a full
word is a subsequence of characters that is delimited on both
sides by one of the following:
- the beginning of the string;
- the end of the string;
- a non-alphabetic character.
(string-find "ein" "gemeinsam") ==> "einsam"
(string-find "people" "democracy") ==> #f
(string-find-word "me" "test me") ==> "me"
(string-find-word "me" "testme") ==> #f
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