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17 lines
686 B
Nim
17 lines
686 B
Nim
include nre
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import unittest
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suite "replace":
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test "replace with 0-length strings":
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check("".replace(re"1", proc (v: RegexMatch): string = "1") == "")
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check(" ".replace(re"", proc (v: RegexMatch): string = "1") == "1 ")
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check("".replace(re"", proc (v: RegexMatch): string = "1") == "1")
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test "regular replace":
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check("123".replace(re"\d", "foo") == "foofoofoo")
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check("123".replace(re"(\d)", "$1$1") == "112233")
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check("123".replace(re"(\d)(\d)", "$1$2") == "123")
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check("123".replace(re"(\d)(\d)", "$#$#") == "123")
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check("123".replace(re"(?<foo>\d)(\d)", "$foo$#$#") == "1123")
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check("123".replace(re"(?<foo>\d)(\d)", "${foo}$#$#") == "1123")
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