/// <summary> /// Add an existing <see cref="RegexNegativeLookaheadAssertionNode"/> to the generator. /// </summary> /// <param name="group"><see cref="RegexNegativeLookaheadAssertionNode"/> to be added.</param> /// <returns><see cref="RegexGenerator"/></returns> /// <exception cref="NegativeLookaheadAssertionNotSupportedException">Negative lookahead assertion is not supported by <see cref="RegexLanguage"/>.</exception> public RegexGenerator AddNegativeLookaheadAssertion(RegexNegativeLookaheadAssertionNode negativeLookaheadAssertion) { if (!IsNegativeLookaheadAssertionSupported) { throw new NegativeLookaheadAssertionNotSupportedException(RegexLanguage); } return(Add(negativeLookaheadAssertion)); }
public virtual string ToNegativeLookaheadAssertionString(RegexNegativeLookaheadAssertionNode negativeLookaheadAssertion) { if (!IsNegativeLookaheadAssertionSupported) { throw new NegativeLookaheadAssertionNotSupportedException(RegexLanguage); } if (negativeLookaheadAssertion == null) { throw new ArgumentNullException(nameof(negativeLookaheadAssertion)); } var sb = new StringBuilder(); sb.Append(ToTokenString(RegexToken.NegativeLookaheadAssertionOpen)) .Append(negativeLookaheadAssertion.IsInnerNodeIncluded ? ToString(negativeLookaheadAssertion.InnerNode) : negativeLookaheadAssertion.Pattern) .Append(ToTokenString(RegexToken.NegativeLookaheadAssertionClose)); return(AddQuantifier(sb.ToString(), negativeLookaheadAssertion.Minimum, negativeLookaheadAssertion.Maximum, negativeLookaheadAssertion.RegexQuantifierOption)); }
/// <summary> /// Create and add <see cref="RegexNegativeLookaheadAssertionNode"/> to the generator, and include another <see cref="RegexNode"/> inside. /// </summary> /// <param name="innerNode">An existing <see cref="RegexNode"/> to be included.</param> /// <param name="min">Optional minimum number of occurance.</param> /// <param name="max">Optional maximum number of occurance.</param> /// <param name="quantifierOption">Optional quantifier option.</param> /// <returns><see cref="RegexGenerator"/></returns> /// <exception cref="NegativeLookaheadAssertionNotSupportedException">Negative lookahead assertion is not supported by <see cref="RegexLanguage"/>.</exception> public RegexGenerator AddNegativeLookaheadAssertion(RegexNode innerNode, int?min = null, int?max = null, RegexQuantifierOption quantifierOption = RegexQuantifierOption.Greedy) { var negativeLookaheadAssertion = new RegexNegativeLookaheadAssertionNode(innerNode, min, max, quantifierOption); return(AddNegativeLookaheadAssertion(negativeLookaheadAssertion)); }