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Diffstat (limited to 'doc/string/partition.rdoc')
-rw-r--r-- | doc/string/partition.rdoc | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/string/partition.rdoc b/doc/string/partition.rdoc new file mode 100644 index 0000000000..ebe575e8eb --- /dev/null +++ b/doc/string/partition.rdoc @@ -0,0 +1,24 @@ +Returns a 3-element array of substrings of +self+. + +Matches a pattern against +self+, scanning from the beginning. +The pattern is: + +- +string_or_regexp+ itself, if it is a Regexp. +- <tt>Regexp.quote(string_or_regexp)</tt>, if +string_or_regexp+ is a string. + +If the pattern is matched, returns pre-match, first-match, post-match: + + 'hello'.partition('l') # => ["he", "l", "lo"] + 'hello'.partition('ll') # => ["he", "ll", "o"] + 'hello'.partition('h') # => ["", "h", "ello"] + 'hello'.partition('o') # => ["hell", "o", ""] + 'hello'.partition(/l+/) #=> ["he", "ll", "o"] + 'hello'.partition('') # => ["", "", "hello"] + 'тест'.partition('т') # => ["", "т", "ест"] + 'こんにちは'.partition('に') # => ["こん", "に", "ちは"] + +If the pattern is not matched, returns a copy of +self+ and two empty strings: + + 'hello'.partition('x') # => ["hello", "", ""] + +Related: String#rpartition, String#split. |