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import std/re
proc testAll() =
doAssert match("(a b c)", rex"\( .* \)")
doAssert match("WHiLe", re("while", {reIgnoreCase}))
doAssert "0158787".match(re"\d+")
doAssert "ABC 0232".match(re"\w+\s+\d+")
doAssert "ABC".match(rex"\d+ | \w+")
{.push warnings:off.}
doAssert matchLen("key", re"\b[a-zA-Z_]+[a-zA-Z_0-9]*\b") == 3
{.pop.}
var pattern = re"[a-z0-9]+\s*=\s*[a-z0-9]+"
doAssert matchLen("key1= cal9", pattern) == 11
doAssert find("_____abc_______", re"abc") == 5
doAssert findBounds("_____abc_______", re"abc") == (5,7)
var matches: array[6, string]
if match("abcdefg", re"c(d)ef(g)", matches, 2):
doAssert matches[0] == "d"
doAssert matches[1] == "g"
else:
doAssert false
if "abc" =~ re"(a)bcxyz|(\w+)":
doAssert matches[1] == "abc"
else:
doAssert false
if "abc" =~ re"(cba)?.*":
doAssert matches[0] == ""
else: doAssert false
if "abc" =~ re"().*":
doAssert matches[0] == ""
else: doAssert false
doAssert "var1=key; var2=key2".endsWith(re"\w+=\w+")
doAssert("var1=key; var2=key2".replacef(re"(\w+)=(\w+)", "$1<-$2$2") ==
"var1<-keykey; var2<-key2key2")
doAssert("var1=key; var2=key2".replace(re"(\w+)=(\w+)", "$1<-$2$2") ==
"$1<-$2$2; $1<-$2$2")
var accum: seq[string] = @[]
for word in split("00232this02939is39an22example111", re"\d+"):
accum.add(word)
doAssert(accum == @["", "this", "is", "an", "example", ""])
accum = @[]
for word in split("00232this02939is39an22example111", re"\d+", maxsplit=2):
accum.add(word)
doAssert(accum == @["", "this", "is39an22example111"])
accum = @[]
for word in split("AAA : : BBB", re"\s*:\s*"):
accum.add(word)
doAssert(accum == @["AAA", "", "BBB"])
doAssert(split("abc", re"") == @["a", "b", "c"])
doAssert(split("", re"") == @[])
doAssert(split("a;b;c", re";") == @["a", "b", "c"])
doAssert(split(";a;b;c", re";") == @["", "a", "b", "c"])
doAssert(split(";a;b;c;", re";") == @["", "a", "b", "c", ""])
doAssert(split("a;b;c;", re";") == @["a", "b", "c", ""])
doAssert(split("00232this02939is39an22example111", re"\d+", maxsplit=2) == @["", "this", "is39an22example111"])
for x in findAll("abcdef", re"^{.}", 3):
doAssert x == "d"
accum = @[]
for x in findAll("abcdef", re".", 3):
accum.add(x)
doAssert(accum == @["d", "e", "f"])
doAssert("XYZ".find(re"^\d*") == 0)
doAssert("XYZ".match(re"^\d*") == true)
block:
var matches: array[16, string]
if match("abcdefghijklmnop", re"(a)(b)(c)(d)(e)(f)(g)(h)(i)(j)(k)(l)(m)(n)(o)(p)", matches):
for i in 0..matches.high:
doAssert matches[i] == $chr(i + 'a'.ord)
else:
doAssert false
block: # Buffer based RE
var cs: cstring = "_____abc_______"
doAssert(cs.find(re"abc", bufSize=15) == 5)
doAssert(cs.matchLen(re"_*abc", bufSize=15) == 8)
doAssert(cs.matchLen(re"abc", start=5, bufSize=15) == 3)
doAssert(cs.matchLen(re"abc", start=5, bufSize=7) == -1)
doAssert(cs.matchLen(re"abc_*", start=5, bufSize=10) == 5)
var accum: seq[string] = @[]
for x in cs.findAll(re"[a-z]", start=3, bufSize=15):
accum.add($x)
doAssert(accum == @["a","b","c"])
block: # bug #9306
doAssert replace("bar", re"^", "foo") == "foobar"
doAssert replace("foo", re"$", "bar") == "foobar"
block: # bug #9437
doAssert replace("foo", re"", "-") == "-f-o-o-"
doAssert replace("ooo", re"o", "-") == "---"
testAll()
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