1string(5)
2string(0.5)
3string(-0.5)
4string(true())
5string(false())
6string(12345678901234567890)
7string(-12345678901234567890)
8concat("titi","toto")
9concat("titi","toto","tata")
10concat("titi",'toto')
11concat("titi",'toto',"tata","last")
12starts-with("tititoto","titi")
13starts-with("tititoto","to")
14contains("tititototata","titi")
15contains("tititototata","toto")
16contains("tititototata","tata")
17contains("tititototata","tita")
18substring("12345",2,3)
19substring("12345",2)
20substring("12345",-4)
21substring("12345",3.4)
22substring("12345",3.6)
23substring("12345",1.5,2.6)
24substring("12345",2.2,2.2)
25substring("12345",0,3)
26substring("12345",-8,10)
27substring("12345",4,-10)
28substring("12345",0 div 0, 3)
29substring("12345",1, 0 div 0)
30substring("12345",1 div 0, 3)
31substring("12345",3,-1 div 0)
32substring("12345",-42, 1 div 0)
33substring("12345",-1 div 0, 1 div 0)
34substring("12345",-1 div 0,5)
35substring("12345",-0.7,4)
36substring("12345",-5000000000,5000000004)
37string-length("")
38string-length("titi")
39