public override (bool success, int offset) IsMatch(string text, int startOffset = 0)
{
if (startOffset - 1 >= 0 && char.IsLetterOrDigit(text[startOffset - 1]))
{
return(false, 0);
}
(bool success, int offset) = _subPattern.IsMatch(text, startOffset);
int next = startOffset + offset;
return(success && next < text.Length && char.IsLetterOrDigit(text[next]) ? (false, 0) : (success, offset));
}
public override (bool success, int offset) IsMatch(string text, int startOffset = 0)
{
int numPatterns = _subPatterns.Count;
for (int i = 0; i < numPatterns; i++)
{
PatternMatcher matcher = _subPatterns[i];
(bool success, int subOffset) = matcher.IsMatch(text, startOffset);
if (success)
{
return(true, subOffset);
}
}
return(false, 0);
}
public override (bool success, int offset) IsMatch(string text, int startOffset = 0)
{
int offset = startOffset;
bool success = true;
int subOffset;
PatternMatcher subPattern = _subPattern;
if (subPattern != null)
{
while (success)
{
(success, subOffset) = subPattern.IsMatch(text, offset);
offset += subOffset;
}
}
return(true, offset - startOffset);
}
public override (bool success, int offset) IsMatch(string text, int startOffset = 0)
{
int upperBounds = _upperBounds;
int offset = startOffset;
bool subSuccess = true;
int subOffset;
PatternMatcher subPattern = _subPattern;
int matches = 0;
for (; matches < upperBounds && subSuccess; matches++)
{
(subSuccess, subOffset) = subPattern.IsMatch(text, offset);
offset += subOffset;
}
bool success = subSuccess || matches >= _lowerBounds;
return(success ? (true, offset - startOffset) : (false, 0));
}
public override (bool success, int offset) IsMatch(string text, int startOffset = 0)
{
return(text.Length > startOffset && !_subPattern.IsMatch(text, startOffset).success ? (true, 0) : (false, 0));
}
public override (bool success, int offset) IsMatch(string text, int startOffset = 0)
{
return(true, _subPattern.IsMatch(text, startOffset).offset);
}