var s ="A Borrower (or the Parent) may not deliver a Utilisation Request if as a result of the proposed Utilisation:<br/>[10] or more Term Loans [(other than Incremental Company Loans)] would be outstanding; [or]<br/>[15] or more Revolving Company Utilisations would be outstanding[; or<br/>[20] or more Incremental Company Loans would be outstanding].<br/>A Borrower (or the Parent) may not request that a Company A Loan [or an Incremental Company Loan] be divided if, as a result of the proposed division, [ 25 ] or more Company A Loans [or [ 50 ] or more Incremental Company Loans] would be outstanding.<br/>[A Borrower (or the Parent) may not request that a Company B Loan or a Company C Loan be divided.]";
var result = s.Split(new[]{"<br/>"}, StringSplitOptions.None)
.SkipWhile(x =>!x.Contains("other than Incremental Company Loans"))
[10] or more Term Loans [(other than Incremental Company Loans)] would be outstanding; [or]
[15] or more Revolving Company Utilisations would be outstanding[; or
[20] or more Incremental Company Loans would be outstanding].