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Use strpos (much faster than preg_match) to determine if a char is a white space #327
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…white space White space characters are defined by the PCRELib as: - LF (dec 10 = hex \x0a = char "\n") - HT (dec 9 = hex \x09 = char "\t") - VT (dec 11 = hex \x0b = char "\v") - FF (dec 12 = hex \x0c = char "\f") - CR (dec 13 = hex \x0d = char "\r") - space (dec 32 = hex \x20 = char " ") Reference: https://github.com/php/php-src/blob/master/ext/pcre/pcrelib/doc/pcre.txt#L5203-L5204
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What about using
strposinstead of the slowerpreg_match?White space characters are defined by the PCRELib as: