strings

#!/usr/bin/tclsh

set s1 "hello eximius world"
set s2 "1234 world is beautiful"
set s3 "world"
set s4 "Hello"
set s5 "world"
set s6 "e"
puts [string match $s3 $s5]

puts [string compare $s3 $s5]

puts [string first $s6 $s2]
puts [string toupper $s1]
puts [string tolower $s1 ]
puts [string last $s6 $s1]
puts [string length $s1 ]
puts [string trimleft $s1 $s2]
puts [string trimright $s1 $s2]
puts [string trim $s1 $s2]
puts [string match {is} $s2]

puts [string index $s1 10]
puts [wordend  $s1 10]
puts [wordstart $s2 5]
puts [wordend  $s2 7]
puts [wordstart $s1 6]