ForNext
Only Do What Only You Can Do
052. extract substring
Hyperpolyglot Interpreted Languages: Tcl, Lua, JavaScript, Io より (2012.05.08)
JavaScript
"lorem ipsum".substr(6, 5) "lorem ipsum".substring(6, 11)
Lua
string.sub("lorem ipsum", 7, 11)
Io
"foo bar" exSlice(4,7)