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"; $str = "\"Abcdggggggggggggggggggggggggggggggggggggggef\"@iana.org"; preg_match($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)
8.3.60.0140.00717.09
8.3.50.0140.00622.18
8.3.40.0090.00619.10
8.3.30.0150.00019.22
8.3.20.0100.00620.64
8.3.10.0040.00420.86
8.3.00.0030.00620.89
8.2.180.0170.00716.88
8.2.170.0110.00722.96
8.2.160.0140.00319.59
8.2.150.0110.00724.18
8.2.140.0050.00324.66
8.2.130.0040.00419.61
8.2.120.0000.00826.35
8.2.110.0060.00322.63
8.2.100.0060.00618.00
8.2.90.0030.00519.65
8.2.80.0030.00618.00
8.2.70.0000.00818.00
8.2.60.0040.00418.41
8.2.50.0030.00518.10
8.2.40.0040.00421.15
8.2.30.0040.00419.90
8.2.20.0030.00518.20
8.2.10.0030.00518.45
8.2.00.0050.00318.45
8.1.280.0040.01125.92
8.1.270.0000.00922.42
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0070.00322.89
8.1.230.0060.00617.62
8.1.220.0050.00317.93
8.1.210.0100.00018.77
8.1.200.0000.00917.73
8.1.190.0030.00617.86
8.1.180.0040.00418.10
8.1.170.0030.00818.81
8.1.160.0000.00821.18
8.1.150.0050.00318.97
8.1.140.0050.00319.81
8.1.130.0040.00417.86
8.1.120.0000.00717.68
8.1.110.0000.00817.66
8.1.100.0000.00817.81
8.1.90.0030.00617.82
8.1.80.0050.00317.71
8.1.70.0040.00417.79
8.1.60.0040.00417.88
8.1.50.0090.00017.83
8.1.40.0000.00817.71
8.1.30.0000.00817.79
8.1.20.0000.00917.79
8.1.10.0040.00417.90
8.1.00.0060.00619.96
8.0.300.0000.00918.77
8.0.290.0030.00517.00
8.0.280.0000.00718.56
8.0.270.0040.00417.39
8.0.260.0030.00617.28
8.0.250.0070.00017.10
8.0.240.0080.00017.09
8.0.230.0060.00317.21
8.0.220.0050.00317.08
8.0.210.0040.00417.14
8.0.200.0040.00417.16
8.0.190.0060.00317.09
8.0.180.0040.00417.03
8.0.170.0050.00317.22
8.0.160.0090.00017.27
8.0.150.0040.00416.99
8.0.140.0050.00317.04
8.0.130.0030.00313.59
8.0.120.0000.00817.02
8.0.110.0040.00417.02
8.0.100.0040.00417.08
8.0.90.0000.00817.22
8.0.80.0090.01317.17
8.0.70.0030.00617.07
8.0.60.0080.00017.32
8.0.50.0050.00317.20
8.0.30.0120.00817.28
8.0.20.0130.00717.40
8.0.10.0030.00617.34
8.0.00.0110.01016.98
7.4.330.0000.00515.08
7.4.320.0030.00616.92
7.4.300.0060.00016.86
7.4.290.0050.00217.02
7.4.280.0000.00816.97
7.4.270.0060.00316.93
7.4.260.0040.00416.88
7.4.250.0060.00316.86
7.4.240.0040.00416.85
7.4.230.0080.00016.80
7.4.220.0070.02016.82
7.4.210.0090.00917.04
7.4.200.0050.00317.05
7.4.160.0120.01216.92
7.4.150.0100.01617.40
7.4.140.0090.01017.86
7.4.130.0110.00816.75
7.4.120.0090.00916.65
7.4.110.0060.01216.88
7.4.100.0080.01216.70
7.4.90.0190.00016.70
7.4.80.0090.00919.39
7.4.70.0140.00916.69
7.4.60.0100.00716.68
7.4.50.0070.00716.61
7.4.40.0070.01616.74
7.4.30.0100.00716.60
7.4.10.0100.01016.75
7.4.00.0080.00816.10
7.3.330.0050.00013.35
7.3.320.0050.00213.43
7.3.310.0070.00016.43
7.3.300.0000.00716.42
7.3.290.0040.00416.34
7.3.280.0090.01016.41
7.3.270.0110.00717.40
7.3.260.0060.01816.95
7.3.250.0100.01016.51
7.3.240.0100.01116.62
7.3.230.0140.00316.64
7.3.210.0130.00716.86
7.3.200.0070.01016.67
7.3.190.0070.01116.57
7.3.180.0080.00816.53
7.3.170.0070.01316.86
7.3.160.0000.01716.67
7.3.130.0070.01416.61
7.3.120.0130.00616.68
7.3.110.0060.01316.65
7.3.100.0030.01116.47
7.3.90.0060.01016.34
7.3.80.0000.01616.63
7.3.70.0080.00316.44
7.3.60.0120.00616.37
7.3.50.0000.01516.36
7.3.40.0130.00016.51
7.3.30.0030.01016.35
7.3.20.0070.00418.34
7.3.10.0070.01018.21
7.3.00.0030.01318.24
7.2.330.0060.01616.84
7.2.320.0140.00516.55
7.2.310.0140.00416.74
7.2.300.0100.00716.88
7.2.290.0100.00716.65
7.2.260.0070.01116.64
7.2.250.0090.00616.69
7.2.240.0040.01216.74
7.2.230.0060.00616.71
7.2.220.0140.00316.66
7.2.210.0000.01316.64
7.2.200.0090.00616.68
7.2.190.0030.01516.78
7.2.180.0150.00016.77
7.2.170.0000.01416.77
7.2.160.0030.00916.62
7.2.150.0100.00718.64
7.2.140.0000.01218.55
7.2.130.0030.00718.62
7.2.120.0060.00918.27
7.2.110.0090.00918.59
7.2.100.0040.00818.41
7.2.90.0090.00618.59
7.2.80.0040.01218.41
7.2.70.0060.00918.64
7.2.60.0040.00718.54
7.2.50.0060.00918.48
7.2.40.0000.01318.68
7.2.30.0030.01318.49
7.2.20.0000.01118.52
7.2.10.0060.00618.37
7.2.00.0050.00919.14
7.1.330.0070.00717.59
7.1.320.0030.01617.63
7.1.310.0090.00917.56
7.1.300.0030.01417.63
7.1.290.0060.00717.65
7.1.280.0060.00917.71
7.1.270.0000.01217.33
7.1.260.0110.00417.42
7.1.250.0000.01017.31
7.1.240.0030.01317.55
7.1.230.0130.00617.59
7.1.220.0130.00617.53
7.1.210.0070.00717.42
7.1.200.0000.01517.45
7.1.190.0110.00717.62
7.1.180.0030.01317.46
7.1.170.0070.01017.66
7.1.160.0070.00717.39
7.1.150.0030.01317.64
7.1.140.0030.00617.59
7.1.130.0090.00317.44
7.1.120.0000.01517.51
7.1.110.0080.00417.69
7.1.100.0080.00717.92
7.1.90.0070.01017.47
7.1.80.0000.01117.59
7.1.70.0060.00617.49
7.1.60.0090.00918.43
7.1.50.0070.00317.52
7.1.40.0110.00417.56
7.1.30.0030.00717.55
7.1.20.0040.00817.68
7.1.10.0030.00617.59
7.1.00.0050.04320.08
7.0.330.0030.00617.31
7.0.320.0030.01317.22
7.0.310.0070.01017.22
7.0.300.0070.00717.22
7.0.290.0000.01117.16
7.0.280.0060.00917.39
7.0.270.0000.01217.45
7.0.260.0040.01217.27
7.0.250.0080.00817.21
7.0.240.0030.01317.33
7.0.230.0070.00717.46
7.0.220.0070.00717.40
7.0.210.0030.00917.45
7.0.200.0130.01016.18
7.0.190.0030.01317.25
7.0.180.0040.01117.43
7.0.170.0080.00817.31
7.0.160.0060.00617.09
7.0.150.0030.01317.29
7.0.140.0030.01317.45
7.0.130.0090.01117.31
7.0.120.0040.01117.20
7.0.110.0070.00717.48
7.0.100.0130.00317.25
7.0.90.0000.01517.11
7.0.80.0000.01117.35
7.0.70.0070.00717.04
7.0.60.0100.01819.71
7.0.50.0100.02617.70
7.0.40.0080.03617.80
7.0.30.0170.02717.92
7.0.20.0150.03417.89
7.0.10.0170.03217.85
7.0.00.0120.04017.82
5.6.400.0100.00315.85
5.6.390.0060.00316.01
5.6.380.0090.00015.85
5.6.370.0100.01015.84
5.6.360.0060.01315.91
5.6.350.0000.00915.61
5.6.340.0120.00615.66
5.6.330.0060.00615.91
5.6.320.0040.01115.58
5.6.310.0080.00415.99
5.6.300.0090.00915.83
5.6.290.0030.01215.87
5.6.280.0080.03818.44
5.6.270.0070.00716.16
5.6.260.0100.00315.68
5.6.250.0150.00315.89
5.6.240.0100.00715.86
5.6.230.0030.00915.74
5.6.220.0040.01115.88
5.6.210.0050.02318.29
5.6.200.0110.03517.00
5.6.190.0060.03518.25
5.6.180.0060.03718.15
5.6.170.0150.03018.46
5.6.160.0170.02818.40
5.6.150.0170.03018.22
5.6.140.0100.03418.19
5.6.130.0050.03618.22
5.6.120.0170.02818.21
5.6.110.0070.03718.13
5.6.100.0100.04218.32
5.6.90.0050.04018.03
5.6.80.0130.03017.64
5.6.70.0120.02817.91
5.6.60.0080.03717.80
5.6.50.0110.03417.83
5.6.40.0100.03217.78
5.6.30.0140.03217.75
5.6.20.0110.03517.65
5.6.10.0220.02517.92
5.6.00.0150.04117.93
5.5.380.0110.00015.91
5.5.370.0000.01115.70
5.5.360.0030.01315.78
5.5.350.0150.04118.14
5.5.340.0050.02317.11
5.5.330.0170.02618.20
5.5.320.0100.03418.10
5.5.310.0090.03618.30
5.5.300.0180.03017.99
5.5.290.0130.03218.13
5.5.280.0050.03718.12
5.5.270.0080.03418.14
5.5.260.0150.03018.00
5.5.250.0170.02817.79
5.5.240.0150.02817.61
5.5.230.0080.03517.69
5.5.220.0170.03217.55
5.5.210.0100.03717.57
5.5.200.0190.02517.53
5.5.190.0120.03317.55
5.5.180.0150.03017.61
5.5.170.0030.01315.64
5.5.160.0200.02817.64
5.5.150.0130.03717.72
5.5.140.0170.03517.81
5.5.130.0260.03417.63
5.5.120.0210.03017.46
5.5.110.0300.02517.52
5.5.100.0180.03917.55
5.5.90.0230.03317.57
5.5.80.0230.03317.65
5.5.70.0220.02817.68
5.5.60.0220.03017.73
5.5.50.0370.03217.56
5.5.40.0270.03017.61
5.5.30.0100.03317.70
5.5.20.0080.03517.63
5.5.10.0090.03317.52
5.5.00.0130.02817.62

preferences:
66.62 ms | 401 KiB | 5 Q