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Remove regExpContainsBackreference (#190621)

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Doesn't appear to be used anywhere besides tests
This commit is contained in:
Matt Bierner
2023-08-16 14:58:07 -07:00
committed by GitHub
parent 4e59c47eed
commit 1afcd2c22a
2 changed files with 0 additions and 20 deletions
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src/vs/base/common/strings.ts
-4
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@@ -217,10 +217,6 @@ export function regExpLeadsToEndlessLoop(regexp: RegExp): boolean {
return !!(match && regexp.lastIndex === 0);
}
export function regExpContainsBackreference(regexpValue: string): boolean {
return !!regexpValue.match(/([^\\]|^)(\\\\)*\\\d+/);
}
export function splitLines(str: string): string[] {
return str.split(/\r\n|\r|\n/);
}
src/vs/base/test/common/strings.test.ts
-16
View File
@@ -265,22 +265,6 @@ suite('Strings', () => {
assert(regExpWithFlags.multiline);
});
test('regExpContainsBackreference', () => {
assert(strings.regExpContainsBackreference('foo \\5 bar'));
assert(strings.regExpContainsBackreference('\\2'));
assert(strings.regExpContainsBackreference('(\\d)(\\n)(\\1)'));
assert(strings.regExpContainsBackreference('(A).*?\\1'));
assert(strings.regExpContainsBackreference('\\\\\\1'));
assert(strings.regExpContainsBackreference('foo \\\\\\1'));
assert(!strings.regExpContainsBackreference(''));
assert(!strings.regExpContainsBackreference('\\\\1'));
assert(!strings.regExpContainsBackreference('foo \\\\1'));
assert(!strings.regExpContainsBackreference('(A).*?\\\\1'));
assert(!strings.regExpContainsBackreference('foo \\d1 bar'));
assert(!strings.regExpContainsBackreference('123'));
});
test('getLeadingWhitespace', () => {
assert.strictEqual(strings.getLeadingWhitespace(' foo'), ' ');
assert.strictEqual(strings.getLeadingWhitespace(' foo', 2), '');