Issue #10476 has been updated by Yves Le Douaron. It looks perfect. ---------------------------------------- Bug #10476: String.strip remove characters different than pure whitespace https://bugs.ruby-lang.org/issues/10476#change-50065 * Author: Yves Le Douaron * Status: Assigned * Priority: Normal * Assignee: Zachary Scott * Category: doc * Target version: current: 2.2.0 * ruby -v: ruby 2.1.3p242 * Backport: 2.0.0: UNKNOWN, 2.1: UNKNOWN ---------------------------------------- The offical documentation (http://www.ruby-doc.org/core-2.1.4/String.html#method-i-strip) says: **strip вк new_str** *Returns a copy of str with leading and trailing whitespace removed.* But ~~~ [9] pry(main)> "#{0.chr}#{9.chr}#{10.chr}#{11.chr}#{12.chr}#{13.chr}#{32.chr}" => "\x00\t\n\v\f\r " [10] pry(main)> "#{0.chr}#{9.chr}#{10.chr}#{11.chr}#{12.chr}#{13.chr}#{32.chr}".length => 7 [11] pry(main)> "#{0.chr}#{9.chr}#{10.chr}#{11.chr}#{12.chr}#{13.chr}#{32.chr}".strip => "" ~~~ ~~~ ([4] pry(main)> (0..255).each { |char| puts "char #{char} stripped" if char.chr.strip.empty? } char 0 stripped char 9 stripped char 10 stripped char 11 stripped char 12 stripped char 13 stripped char 32 stripped ~~~ Stripped characters are 1. Null char (0) 1. Horizontal Tab (9) 1. Line Feed (10) 1. Vertical Tab (11) 1. Form Feed (12) 1. Carriage Return (13) 1. Space (32) ---Files-------------------------------- bug-10476.patch (2.16 KB) -- https://bugs.ruby-lang.org/