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35 lines
1.2 KiB
35 lines
1.2 KiB
/*
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* Copyright (c) 2021-2022 by Geoffrey Merck F4FXL / KC3FRA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "StringUtils.h"
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size_t CStringUtils::find_nth(const std::string& haystack, char needle, size_t nth)
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{
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size_t matches = 0U;
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auto haystackLength = haystack.length();
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for(size_t i = 0; i < haystackLength; i++) {
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if(haystack[i] == needle) {
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matches++;
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if(matches == nth)
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return i;
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}
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}
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return std::string::npos;
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} |