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speed up utils::is_double() by putting most likely matching regexps first

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Axel Kohlmeyer
2022-12-18 06:06:22 -05:00
parent 1cd7011b66
commit 15dfb090c9
1 changed files with 2 additions and 3 deletions
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5
src/utils.cpp
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@ -1163,9 +1163,8 @@ bool utils::is_double(const std::string &str)
{
if (str.empty()) return false;
if (strmatch(str, "^[+-]?\\d+\\.?\\d*$") || strmatch(str, "^[+-]?\\d*\\.?\\d+$") ||
strmatch(str, "^[+-]?\\d+\\.?\\d*[eE][+-]?\\d+$") ||
strmatch(str, "^[+-]?\\d*\\.?\\d+[eE][+-]?\\d+$"))
if (strmatch(str, "^[+-]?\\d+\\.?\\d*$") || strmatch(str, "^[+-]?\\d+\\.?\\d*[eE][+-]?\\d+$") ||
strmatch(str, "^[+-]?\\d*\\.?\\d+$") || strmatch(str, "^[+-]?\\d*\\.?\\d+[eE][+-]?\\d+$"))
return true;
else
return false;