$re = '/(\"[^\"]+\"|[^\|\>\<\:\s\"]+)([^\|\<\>\n\r]*)(\||\>.*)?/';
$str = 'Illeszkedjen:
Alapesetek:
cat ezmeg.az | grep "azta" | sort -n > ez.txt
cat ezmeg.az | grep "az ta" | sort -n > ez.txt
head -n 1 -r text.txt > head.txt
head -n 1 text.txt
head text.txt | tail
ls
Extrém esetek:
cat ezmeg.az |sort -n > ez.txt
cat ezmeg.az |sort -n | sort -n | sort -n> ez.txt
cat ezmeg.az |grep "azta" | sort -n > ez.txt
cat ezmeg.az -n --help | grep "azta" | sort -n -h > ez.txt
cat ezmeg.az | azta.exe | sort -n > ez.txt
cat ezmeg.az | grep "azta" | sort -n
cat ezmeg.az | grep "azta" | sort -n > ez.txt
cat ezmeg.az | grep "azta" | sort -n>ez.txt
"my program.exe" --help > help.txt
head -n 1 text.txt > "head file.txt"
Ne illeszkedjen:
head -n 1 text.txt > head.txt -x
head -n 1 text.txt > head.txt | tail
';
$subst = "\1";
$result = preg_replace($re, $subst, $str);
echo "The result of the substitution is ".$result;
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php