# Expressions put to both engines. One per line; blank lines and lines
# starting with # are ignored. Nothing here may depend on the clock or on
# randomness — the point is that two implementations agree, not that one
# of them is fast.
# --- paths
/data/age
/data/missing
/data/household/resident/nome
/data/household/resident[2]/nome
/data/household/resident[last()]/nome
/data/household/resident[position() = 2]/idade
/data/household/resident[idade > 10]/nome
count(/data/household/resident)
count(/data/household/resident[idade > 10])
count(/data/missing)
count(//idade)
/data/@id
/data/@version
.
//nome
# --- string
string(/data/age)
string(/data/missing)
concat("a", "b", "c")
concat(/data/household/resident/nome, "!")
string-length(/data/name)
string-length(/data/blank)
normalize-space(/data/spaced)
contains(/data/name, "Silva")
contains(/data/name, "silva")
starts-with(/data/name, "Maria")
ends-with(/data/name, "Silva")
substring-before(/data/name, " ")
substring-after(/data/name, " ")
substring("hello", 2)
substring("hello", 2, 3)
substring("hello", 0, 3)
substring("hello", 1.5, 2.6)
substr("hello", 2, 3)
substr("hello", 0, 2)
substr("hello", -2)
translate("bar", "abc", "ABC")
upper-case("abc")
lower-case("ABC")
# --- number
1 + 1
7 div 2
7 mod 3
-7 mod 3
1 div 0
-1 div 0
0 div 0
number("abc")
number("42")
number(/data/age)
number(/data/blank)
sum(/data/household/resident/idade)
sum(/data/missing)
floor(1.9)
ceiling(1.1)
round(1.5)
round(2.5)
round(-1.5)
round(1.2345, 2)
round(1235.5, -2)
int(1.9)
int(-1.9)
abs(-3)
pow(2, 10)
min(/data/household/resident/idade)
max(/data/household/resident/idade)
min(3, 1, 2)
max(3, 1, 2)
# --- boolean and comparison
true()
false()
not(true())
boolean("0")
boolean("")
boolean(/data/blank)
boolean(/data/missing)
boolean-from-string("0")
boolean-from-string("1")
boolean-from-string("true")
boolean-from-string("TRUE")
boolean-from-string("no")
/data/age > 18
/data/age = 42
/data/age = "42"
/data/household/resident/idade = 7
/data/household/resident/idade != 7
/data/missing = 0
/data/missing != 0
/data/blank = ""
number("abc") = number("abc")
number("abc") > 0
"a" < "b"
1 < 2 and 2 < 3
1 > 2 or 2 < 3
# --- OpenRosa
selected(/data/services, "water")
selected(/data/services, "wat")
selected(/data/one_service, "water")
count-selected(/data/services)
count-selected(/data/one_service)
selected-at(/data/services, 0)
selected-at(/data/services, 1)
selected-at(/data/services, 5)
coalesce(/data/blank, "fallback")
coalesce(/data/age, "fallback")
if(/data/age > 18, "adult", "child")
if(/data/blank != "", 1 div 0, -1)
join(", ", /data/household/resident/nome)
once(/data/age)
# --- dates
format-date-time("2026-08-07T06:31:13.834-03:00", "%Y%m%d%H%M%S")
format-date-time("2026-08-07T06:31:13.834-03:00", "%Y-%m-%d")
format-date-time("2026-08-07T06:31:13.834-03:00", "%H:%M:%S")
format-date("2026-01-09", "%Y-%m-%d")
format-date("2026-01-09", "%e/%n/%y")
# --- regex
regex("12345678901", "[0-9]{11}")
regex("12345678901", "^[0-9]{11}$")
regex("123", "[0-9]{11}")
regex(/data/cpf, "[0-9]{11}")
# --- cases that separate the two reference implementations
regex("a12345678901b", "[0-9]{11}")
regex("abc123", "[0-9]+")
concat(/data/household/resident/nome)
# --- geografia
# Um traço fechado e um aberto, mais o caso degenerado de um ponto só:
# a fórmula da área tem variantes, e um ponto isolado é onde elas divergem.
distance(/data/trecho)
distance(/data/area_quadra)
distance(/data/um_ponto)
distance("-23.5505 -46.6333 0 0;-23.5605 -46.6333 0 0")
area(/data/area_quadra)
area(/data/trecho)
area("-1 -1 0 0;-1 1 0 0;1 1 0 0;1 -1 0 0;-1 -1 0 0")
round(distance(/data/trecho))
round(area(/data/area_quadra))