| IndexOfAnyRegEx(String, IEnumerableString, RegexOptions) | Reports the zero-based index of the first occurrence in this instance of any Regex expression in a specified array. |
| IndexOfAnyRegEx(String, IEnumerableString, Int32, RegexOptions) | Reports the zero-based index of the first occurrence in this instance of any Regex expression in a specified array. |
| IndexOfAnyRegEx(String, IEnumerableString, Int32, Int32, RegexOptions) | Reports the zero-based index of the first occurrence in this instance of any Regex expression in a specified array. |