Manage Strings
String declaration
Var chaine : String;
Looking for a substring
position:=pos(substring,string);
example : if substring is ' > ', and string = test > essai then position=4
Text length
longueur:=length(chaine);
Remove right and left spaces
chaine:=trim(chaine);
If chaine =' test ' after execution chaine will be 'test' (space removed)
Acces to one character
theFirstCharacter:=chaine[1];