/// <summary> /// Add an existing <see cref="RegexPositiveLookbehindAssertionNode"/> to the generator. /// </summary> /// <param name="group"><see cref="RegexPositiveLookbehindAssertionNode"/> to be added.</param> /// <returns><see cref="RegexGenerator"/></returns> /// <exception cref="PositiveLookbehindAssertionNotSupportedException">Positive lookbehind assertion is not supported by <see cref="RegexLanguage"/>.</exception> public RegexGenerator AddPositiveLookbehindAssertion(RegexPositiveLookbehindAssertionNode positiveLookbehnidAssertion) { if (!IsPositiveLookbehindAssertionSupported) { throw new PositiveLookbehindAssertionNotSupportedException(RegexLanguage); } return(Add(positiveLookbehnidAssertion)); }
public virtual string ToPositiveLookbehindAssertionString(RegexPositiveLookbehindAssertionNode positiveLookbehindAssertion) { if (!IsPositiveLookbehindAssertionSupported) { throw new PositiveLookbehindAssertionNotSupportedException(RegexLanguage); } if (positiveLookbehindAssertion == null) { throw new ArgumentNullException(nameof(positiveLookbehindAssertion)); } var sb = new StringBuilder(); sb.Append(ToTokenString(RegexToken.PositiveLookbehindAssertionOpen)) .Append(positiveLookbehindAssertion.IsInnerNodeIncluded ? ToString(positiveLookbehindAssertion.InnerNode) : positiveLookbehindAssertion.Pattern) .Append(ToTokenString(RegexToken.PositiveLookbehindAssertionClose)); return(AddQuantifier(sb.ToString(), positiveLookbehindAssertion.Minimum, positiveLookbehindAssertion.Maximum, positiveLookbehindAssertion.RegexQuantifierOption)); }
/// <summary> /// Create and add <see cref="RegexPositiveLookbehindAssertionNode"/> 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="PositiveLookbehindAssertionNotSupportedException">Positive lookbehind assertion is not supported by <see cref="RegexLanguage"/>.</exception> public RegexGenerator AddPositiveLookbehindAssertion(RegexNode innerNode, int?min = null, int?max = null, RegexQuantifierOption quantifierOption = RegexQuantifierOption.Greedy) { var positiveLookbehnidAssertion = new RegexPositiveLookbehindAssertionNode(innerNode, min, max, quantifierOption); return(AddPositiveLookbehindAssertion(positiveLookbehnidAssertion)); }