Jissin Mathew
36 lines
1.1 KiB
C++
36 lines
1.1 KiB
C++
/*
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File: StringHelper.h
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Description: Provides utility functions for extracting numeric values from strings.
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Useful for parsing IDs, codes, or mixed alphanumeric inputs where
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digits need to be isolated and converted into integers.
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Author: Trenser
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Date: 22-May-2026
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*/
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#include <cctype>
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#include <string>
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namespace util
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{
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/*
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Function: extractNumber
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Description: Extracts all digits from the given string and converts them into an integer.
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Ignores non-digit characters. For example, "abc123xyz" returns 123.
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Parameters:
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- input: const std::string&, the input string containing digits and/or other characters
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Returns:
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- int: The integer value formed by concatenating all digits in the string
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*/
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inline int extractNumber(const std::string& input)
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{
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int result = 0;
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for (char character : input)
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{
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if (std::isdigit(static_cast<unsigned char>(character)))
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{
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result = result * 10 + (character - '0');
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}
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}
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return result;
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}
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} |