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add regex test suggested by recent fix #97532

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Merged
merged 1 commit into from
Jan 26, 2024
Merged

add regex test suggested by recent fix #97532

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3 changes: 2 additions & 1 deletion src/libraries/System.Text.RegularExpressions/tests/FunctionalTests/Regex.Match.Tests.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -88,7 +88,7 @@ public static IEnumerable<object[]> Match_MemberData()
{
// Zero-width negative lookahead assertion
yield return (@"abc(?!XXX)\w+", "abcXXXdef", RegexOptions.None, 0, 9, false, string.Empty);
yield return (@"(?!(b)b)\1", "ba", RegexOptions.None, 0, 2, false, string.Empty);
yield return (@"(?!(b)b)\1", "ba", RegexOptions.None, 0, 2, false, string.Empty); // negative assertion should not capture
yield return (@"(?:(?!(b)b)\1a)+", "babababa", RegexOptions.None, 0, 8, false, string.Empty);
yield return (@"(?:(?!(b)b)\1a)*", "babababa", RegexOptions.None, 0, 8, true, string.Empty);
yield return (@"(.*?)a(?!(a+)b\2c)\2(.*)", "baaabaac", RegexOptions.None, 0, 8, false, string.Empty);
Expand Down Expand Up @@ -126,6 +126,7 @@ public static IEnumerable<object[]> Match_MemberData()
yield return (@"123(?<!$) abcdef", "123 abcdef", RegexOptions.None, 0, 10, true, "123 abcdef");
yield return (@"(abc)\w(?<!(?(1)e|d))", "abcdabc", RegexOptions.None, 0, 7, true, "abcd");
yield return (@"(abc)\w(?<!(?(cd)e|d))", "abcdabc", RegexOptions.None, 0, 7, true, "abcd");
yield return (@"(?<!(b)a)\1", "bb", RegexOptions.None, 0, 2, false, string.Empty); // negative assertion should not capture

// Nonbacktracking subexpression: Actual - "[^0-9]+(?>[0-9]+)3"
// The last 3 causes the match to fail, since the non backtracking subexpression does not give up the last digit it matched
Expand Down