3v4l.org

run code in 300+ PHP versions simultaneously
<?php $re = "/^(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){255,})(?!(?:(?:\\x22?\\x5C[\\x00-\\x7E]\\x22?)|(?:\\x22?[^\\x5C\\x22]\\x22?)){65,}@)(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22))(?:\\.(?:(?:[\\x21\\x23-\\x27\\x2A\\x2B\\x2D\\x2F-\\x39\\x3D\\x3F\\x5E-\\x7E]+)|(?:\\x22(?:[\\x01-\\x08\\x0B\\x0C\\x0E-\\x1F\\x21\\x23-\\x5B\\x5D-\\x7F]|(?:\\x5C[\\x00-\\x7F]))*\\x22)))*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iD"; $str = "\"Abcdggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggef\"@iana.org"; preg_match($re, $str, $matches); print_r($matches);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0130.00818.81
8.3.50.0100.01022.29
8.3.40.0100.00619.21
8.3.30.0060.00919.16
8.3.20.0060.00620.40
8.3.10.0060.00320.95
8.3.00.0080.00021.04
8.2.180.0190.00317.13
8.2.170.0150.00322.96
8.2.160.0080.00819.58
8.2.150.0060.01024.18
8.2.140.0050.00324.66
8.2.130.0040.00419.73
8.2.120.0040.01126.35
8.2.110.0100.00021.50
8.2.100.0090.00318.00
8.2.90.0000.00819.55
8.2.80.0080.00018.00
8.2.70.0060.00318.00
8.2.60.0040.00418.18
8.2.50.0040.00418.10
8.2.40.0060.00320.67
8.2.30.0000.00919.72
8.2.20.0050.00318.19
8.2.10.0060.00318.45
8.2.00.0040.00418.44
8.1.280.0150.00025.92
8.1.270.0080.00024.14
8.1.260.0080.00028.09
8.1.250.0030.00628.09
8.1.240.0030.00623.09
8.1.230.0060.00617.86
8.1.220.0050.00318.04
8.1.210.0030.00618.77
8.1.200.0060.00317.73
8.1.190.0000.00817.60
8.1.180.0090.00018.10
8.1.170.0030.00718.99
8.1.160.0050.00321.18
8.1.150.0030.00519.18
8.1.140.0050.00319.72
8.1.130.0030.00517.76
8.1.120.0040.00417.72
8.1.110.0000.00817.73
8.1.100.0090.00017.72
8.1.90.0040.00417.73
8.1.80.0040.00417.74
8.1.70.0040.00417.73
8.1.60.0000.00817.75
8.1.50.0000.00917.69
8.1.40.0000.00817.85
8.1.30.0000.00917.87
8.1.20.0030.00617.77
8.1.10.0080.00017.77
8.1.00.0000.01119.80
8.0.300.0060.00318.77
8.0.290.0090.00017.00
8.0.280.0000.00718.51
8.0.270.0040.00417.29
8.0.260.0030.00717.38
8.0.250.0030.00417.22
8.0.240.0050.00317.07
8.0.230.0050.00317.19
8.0.220.0020.00517.14
8.0.210.0040.00417.17
8.0.200.0070.00017.05
8.0.190.0000.00817.09
8.0.180.0040.00417.18
8.0.170.0030.00517.18
8.0.160.0040.00417.04
8.0.150.0040.00417.07
8.0.140.0000.00817.11
8.0.130.0000.00613.64
8.0.120.0030.00617.16
8.0.110.0050.00317.20
8.0.100.0000.00817.26
8.0.90.0040.00417.10
8.0.80.0060.01017.16
8.0.70.0000.00817.15
8.0.60.0030.00517.29
8.0.50.0000.00817.04
8.0.30.0130.00817.40
8.0.20.0110.01217.40
8.0.10.0030.00617.23
8.0.00.0100.01017.09
7.4.330.0000.00515.08
7.4.320.0040.00416.90
7.4.300.0050.00216.75
7.4.290.0040.00416.86
7.4.280.0030.00616.85
7.4.270.0070.00016.97
7.4.260.0070.00016.93
7.4.250.0050.00316.81
7.4.240.0040.00416.77
7.4.230.0040.00417.00
7.4.220.0100.01816.90
7.4.210.0080.01016.84
7.4.200.0000.00716.78
7.4.160.0160.00716.72
7.4.150.0060.01417.40
7.4.140.0060.01417.86
7.4.130.0110.00816.72
7.4.120.0130.00916.89
7.4.110.0130.00616.90
7.4.100.0120.00917.02
7.4.90.0090.00916.91
7.4.80.0040.01319.39
7.4.70.0140.00816.94
7.4.60.0070.01016.75
7.4.50.0030.00916.81
7.4.40.0100.01416.64
7.4.30.0040.01416.77
7.4.00.0030.00915.04
7.3.330.0030.00313.23
7.3.320.0000.00713.42
7.3.310.0050.00316.25
7.3.300.0050.00216.27
7.3.290.0030.00316.46
7.3.280.0100.00916.44
7.3.270.0120.00817.40
7.3.260.0140.01116.38
7.3.250.0090.01016.65
7.3.240.0110.01216.43
7.3.230.0150.00416.67
7.3.210.0120.00616.70
7.3.200.0130.00316.52
7.3.190.0030.01416.66
7.3.180.0070.01116.48
7.3.170.0070.01416.55
7.3.160.0120.00416.78
7.3.10.0060.00916.90
7.3.00.0030.01316.89
7.2.330.0090.00916.80
7.2.320.0100.01016.69
7.2.310.0030.01416.76
7.2.300.0080.00816.67
7.2.290.0110.00616.88
7.2.130.0070.01016.91
7.2.120.0140.00316.95
7.2.110.0040.00816.81
7.2.100.0030.01017.04
7.2.90.0080.00417.04
7.2.80.0100.00317.09
7.2.70.0070.00317.07
7.2.60.0100.00717.12
7.2.50.0090.00617.19
7.2.40.0070.00717.14
7.2.30.0070.01017.27
7.2.20.0130.00317.11
7.2.10.0030.00817.07
7.2.00.0040.01018.51
7.1.250.0040.00715.79
7.1.200.0060.00316.15
7.1.100.0060.00318.64
7.1.70.0040.00417.30
7.1.60.0100.01619.23
7.1.00.0070.07322.62
7.0.200.0830.00014.74
7.0.60.0170.04022.01
7.0.50.0030.04317.97
7.0.40.0100.07020.32
7.0.30.0200.07020.22
7.0.20.0100.06320.57
7.0.10.0230.05720.49
7.0.00.0170.06320.66
5.6.280.0100.06721.11
5.6.210.0070.03720.63
5.6.200.0130.08018.26
5.6.190.0270.05020.38
5.6.180.0270.06020.61
5.6.170.0230.05720.52
5.6.160.0170.06320.38
5.6.150.0400.04320.57
5.6.140.0270.05720.43
5.6.130.0200.06320.51
5.6.120.0270.05020.45
5.6.110.0100.06320.14
5.6.100.0200.05320.44
5.6.90.0200.06020.42
5.6.80.0270.05319.74
5.6.70.0170.05319.55
5.6.60.0200.06019.87
5.6.50.0270.05719.93
5.6.40.0130.06019.91
5.6.30.0230.05319.91
5.6.20.0130.06019.57
5.6.10.0330.04319.57
5.6.00.0200.05319.51
5.5.350.0230.03720.54
5.5.340.0030.04018.08
5.5.330.0330.03720.20
5.5.320.0130.06320.65
5.5.310.0300.05320.55
5.5.300.0230.06320.27
5.5.290.0170.06320.35
5.5.280.0300.06019.96
5.5.270.0200.05019.97
5.5.260.0270.05020.34
5.5.250.0200.05320.13
5.5.240.0170.05319.54
5.5.230.0070.06319.39
5.5.220.0200.05319.74
5.5.210.0230.05319.71
5.5.200.0100.06019.32
5.5.190.0200.05319.64
5.5.180.0270.04719.51
5.5.160.0230.04719.66
5.5.150.0270.04719.69
5.5.140.0100.06719.72
5.5.130.0100.07319.59
5.5.120.0270.04719.71
5.5.110.0100.06319.59
5.5.100.0070.06319.52
5.5.90.0170.06019.32
5.5.80.0070.05719.31
5.5.70.0200.06019.29
5.5.60.0200.04719.56
5.5.50.0170.05319.70
5.5.40.0170.05319.68
5.5.30.0400.04719.68
5.5.20.0600.05019.36
5.5.10.0500.06719.67
5.5.00.0570.05719.69

preferences:
79.02 ms | 401 KiB | 5 Q