概要
String#[nth] = val
String#self[nth, len] = val
String#self[substr] = val
String#self[regexp, nth] = val
String#self[regexp, name] = val
String#self[regexp] = val
String#self[range] = val
詳細
String#[nth] = val
文字列の nth 文字目を val に置き換える
require 'tbpgr_utils' bulk_puts_eval binding, <<-EOS str="0123456789" str[0]='@' str str="0123456789" str[2]='@' str str="0123456789" str[-1]='@' str EOS __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
str="0123456789" # => "0123456789" str[0]='@' # => "@" str # => "@123456789" str="0123456789" # => "0123456789" str[2]='@' # => "@" str # => "01@3456789" str="0123456789" # => "0123456789" str[-1]='@' # => "@" str # => "012345678@"
String#self[nth, len] = val
文字列の nth 文字目から len までを val に置き換える
サンプルコード
require 'tbpgr_utils' bulk_puts_eval binding, <<-EOS str="0123456789" str[0, 2]='@' str str="0123456789" str[2, 2]='@' str str="0123456789" str[-3, 2]='@' str EOS __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
str="0123456789" # => "0123456789" str[0, 2]='@' # => "@" str # => "@23456789" str="0123456789" # => "0123456789" str[2, 2]='@' # => "@" str # => "01@456789" str="0123456789" # => "0123456789" str[-3, 2]='@' # => "@" str # => "0123456@9"
String#[substr] = val
substr にマッチする部分を val に置き換える
サンプルコード
require 'tbpgr_utils' bulk_puts_eval binding, <<-EOS str="0123456789" str["2"]='@' str str="0123456789" str["234"]='@' str EOS begin str="0123456789" str["24"]='@' rescue => e # match しないと IndexError になる puts e.message end __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
str="0123456789" # => "0123456789" str["2"]='@' # => "@" str # => "01@3456789" str="0123456789" # => "0123456789" str["234"]='@' # => "@" str # => "01@56789" string not matched
String#[regexp, nth] = val
regexp の正規表現に nth 番目にマッチした文字列を val に置換する
サンプルコード
require 'tbpgr_utils' str="0123456789" str[/(\d)/, 0]='@' puts str str="0123456789" str[/(\d)(\d)(\d)(\d)/, 4]='@' puts str __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
@123456789 012@456789
String#[regexp, name] = val
regexp の名前付きキャプチャの name にマッチした文字列を val に置換する
サンプルコード
require 'tbpgr_utils' str="tanaka 34 japanese" str[/(?<name>.+) (?<age>\d{1,3}) (?<nationality>.+)/, :name]='名前潰し' p str str="tanaka 34 japanese" str[/(?<name>.+) (?<age>\d{1,3}) (?<nationality>.+)/, :age]='年齢潰し' p str str="tanaka 34 japanese" str[/(?<name>.+) (?<age>\d{1,3}) (?<nationality>.+)/, :nationality]='国籍潰し' p str __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
"名前潰し 34 japanese" "tanaka 年齢潰し japanese" "tanaka 34 国籍潰し"
String#[regexp] = val
regexp の正規表現にマッチした文字列を val に置換する
サンプルコード
require 'tbpgr_utils' str="hoge hige hage hoge" str[/hige/]='@' p str str="hoge hige hage hoge" str[/hage/]='@' p str str="hoge hige hage hoge" str[/h.ge/]='@' p str __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
"hoge @ hage hoge" "hoge hige @ hoge" "@ hige hage hoge"
String#[range] = val
サンプルコード
require 'tbpgr_utils' str="0123456789" str[0..1]='@' p str str="0123456789" str[2..4]='@' p str str="0123456789" str[-3..-1]='@' p str __END__ 下記はTbpgrUtils gemの機能 bulk_puts_eval https://rubygems.org/gems/tbpgr_utils https://github.com/tbpgr/tbpgr_utils
出力
"@23456789" "01@56789" "0123456@"
