| string(5) | |
| string(0.5) | |
| string(-0.5) | |
| string(true()) | |
| string(false()) | |
| concat("titi","toto") | |
| concat("titi","toto","tata") | |
| starts-with("tititoto","titi") | |
| starts-with("tititoto","to") | |
| contains("tititototata","titi") | |
| contains("tititototata","toto") | |
| contains("tititototata","tata") | |
| contains("tititototata","tita") | |
| substring("12345",2,3) | |
| substring("12345",2) | |
| substring("12345",1.5,2.6) | |
| substring("12345",0,3) | |
| string-length("") | |
| string-length("titi") |