43 lines
1.4 KiB
C++
43 lines
1.4 KiB
C++
//
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// Created by server on 6/19/25.
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//
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#include "str_utils.h"
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#include <cstring>
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bool startWith(const char * str, const char ch) {
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if (str == nullptr) return false; // Fail if str is empty
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if (ch == 0) return false; // Fail if ch is NULL
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if (str[0] != ch) return false; // Fail if str[0] != ch
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return true; // str[0] == ch
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}
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bool contains(const char * str, const char ch) {
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if (str == nullptr) return false; // Fail if str is null
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if (ch == 0) return false; // Fail if ch is null
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const size_t len = strlen(str);
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if (len == 0) return false; // Fail if str is empty
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for (int i = 0; i < len; i++) {
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if (str[i] == ch) return true; // Found ch in str
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}
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return false; // ch is not in str
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}
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bool endsWith(const char * str, const char ch) {
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if (str == nullptr) return false; // Fail if str is empty
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if (ch == 0) return false; // Fail if ch is NULL
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const size_t len = strlen(str);
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if (str[len-1] != ch) return false; // Fail if str[len-1] != ch
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return true; // str[len-1] == ch
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}
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bool startsWith(const char * str, const char ch[]) {
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if (str == nullptr) return false; // Fail if str is null
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if (ch == nullptr) return false; // Fail if ch is null
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const size_t len = strlen(ch);
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if (len == 0) return false; // Fail if str is empty
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for (int i = 0; i < len; i++) {
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if (str[i] != ch[i]) return false; // Found ch in str
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}
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return true; // ch is not in str
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} |