3v4l.org

run code in 300+ PHP versions simultaneously
<?php $matches = array(); preg_match("/.*@(?:(?:(?!.*[^.]{64,})(?:(?:(?:xn--)?[a-z0-9]+(?:-+[a-z0-9]+)*\\.){1,126}){1,}(?:(?:[a-z][a-z0-9]*)|(?:(?:xn--)[a-z0-9]+))(?:-+[a-z0-9]+)*)|(?:\\[(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){7})|(?:(?!(?:.*[a-f0-9][:\\]]){7,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,5})?)))|(?:(?:IPv6:(?:(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){5}:)|(?:(?!(?:.*[a-f0-9]:){5,})(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3})?::(?:[a-f0-9]{1,4}(?::[a-f0-9]{1,4}){0,3}:)?)))?(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))(?:\\.(?:(?:25[0-5])|(?:2[0-4][0-9])|(?:1[0-9]{2})|(?:[1-9]?[0-9]))){3}))\\]))$/iD", 'look@domain.com', $matches); var_dump($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)
8.3.60.0040.01118.56
8.3.50.0120.00622.19
8.3.40.0090.00618.97
8.3.30.0040.01119.02
8.3.20.0000.00820.50
8.3.10.0040.00423.66
8.3.00.0000.01019.44
8.2.180.0090.00616.88
8.2.170.0150.00722.96
8.2.160.0040.01120.65
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0050.00322.47
8.2.110.0000.00920.77
8.2.100.0070.00418.22
8.2.90.0040.00419.35
8.2.80.0040.00417.97
8.2.70.0000.00918.00
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0040.00419.88
8.2.30.0040.00418.22
8.2.20.0000.00817.97
8.2.10.0000.00918.11
8.2.00.0040.00417.85
8.1.280.0070.01125.92
8.1.270.0030.00524.21
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0050.00523.96
8.1.230.0000.01119.13
8.1.220.0090.00017.77
8.1.210.0000.01018.77
8.1.200.0000.01017.60
8.1.190.0030.00617.60
8.1.180.0040.00418.10
8.1.170.0030.00618.82
8.1.160.0070.00022.16
8.1.150.0040.00419.16
8.1.140.0050.00317.77
8.1.130.0030.00318.16
8.1.120.0070.00017.60
8.1.110.0030.00617.77
8.1.100.0040.00417.73
8.1.90.0030.00617.63
8.1.80.0040.00417.77
8.1.70.0000.00717.69
8.1.60.0000.00917.84
8.1.50.0030.00517.68
8.1.40.0000.00917.79
8.1.30.0040.00417.91
8.1.20.0060.00317.82
8.1.10.0000.00817.84
8.1.00.0040.00418.34
8.0.300.0000.00718.77
8.0.290.0050.00317.00
8.0.280.0000.00718.55
8.0.270.0000.00717.39
8.0.260.0000.00717.25
8.0.250.0040.00417.23
8.0.240.0030.00317.20
8.0.230.0000.00717.21
8.0.220.0040.00417.24
8.0.210.0070.00017.02
8.0.200.0040.00417.11
8.0.190.0030.00617.08
8.0.180.0040.00417.14
8.0.170.0000.00817.15
8.0.160.0040.00417.13
8.0.150.0000.00816.98
8.0.140.0020.00517.03
8.0.130.0060.00013.52
8.0.120.0040.00417.15
8.0.110.0030.00517.16
8.0.100.0050.00317.15
8.0.90.0090.00017.05
8.0.80.0120.01217.22
8.0.70.0070.00017.19
8.0.60.0030.00517.15
8.0.50.0040.00417.16
8.0.30.0140.00817.43
8.0.20.0140.00517.40
8.0.10.0030.00517.34
8.0.00.0090.00816.99
7.4.330.0000.00515.37
7.4.320.0030.00316.91
7.4.300.0060.00016.96
7.4.290.0050.00216.82
7.4.280.0060.00316.88
7.4.270.0000.00816.96
7.4.260.0000.00716.77
7.4.250.0030.00616.74
7.4.240.0060.00116.83
7.4.230.0040.00416.61
7.4.220.0140.00416.92
7.4.210.0040.01116.86
7.4.200.0040.00417.04
7.4.160.0080.00816.93
7.4.150.0130.00617.40
7.4.140.0140.00617.86
7.4.130.0060.01116.76
7.4.120.0040.01316.76
7.4.110.0090.01616.68
7.4.100.0000.01816.71
7.4.90.0140.00416.88
7.4.80.0100.01019.39
7.4.70.0000.01816.79
7.4.60.0110.00716.82
7.4.50.0050.00016.49
7.4.40.0070.01116.61
7.4.30.0130.00616.79
7.4.00.0050.01115.25
7.3.330.0000.00513.28
7.3.320.0060.00013.25
7.3.310.0000.00716.28
7.3.300.0000.00716.43
7.3.290.0110.00316.47
7.3.280.0080.01116.49
7.3.270.0110.00817.40
7.3.260.0120.01216.71
7.3.250.0070.01216.52
7.3.240.0070.01016.47
7.3.230.0110.00516.48
7.3.210.0000.01816.79
7.3.200.0110.01419.39
7.3.190.0060.01216.45
7.3.180.0100.00616.43
7.3.170.0090.00916.48
7.3.160.0060.01316.49
7.3.120.0000.01815.07
7.3.110.0140.00414.98
7.3.100.0080.00815.20
7.3.90.0030.01015.18
7.3.80.0060.00614.70
7.3.70.0090.00314.77
7.3.60.0000.00915.06
7.3.50.0030.00914.79
7.3.40.0040.00414.91
7.3.30.0140.00014.83
7.3.20.0080.00616.85
7.3.10.0030.00716.82
7.3.00.0030.00917.04
7.2.330.0110.00716.82
7.2.320.0090.00816.66
7.2.310.0110.00716.87
7.2.300.0060.01316.96
7.2.290.0090.00916.87
7.2.250.0060.01315.21
7.2.240.0160.00315.23
7.2.230.0060.00915.23
7.2.220.0080.00515.02
7.2.210.0030.00915.07
7.2.200.0000.01715.13
7.2.190.0040.01114.94
7.2.180.0060.00615.01
7.2.170.0090.00015.19
7.2.00.0070.01119.26
7.1.330.0040.00816.16
7.1.320.0030.01015.99
7.1.310.0060.00916.18
7.1.300.0070.00715.91
7.1.290.0000.01515.83
7.1.280.0030.00615.98
7.1.270.0040.00815.91
7.1.260.0090.00615.85
7.1.200.0090.00616.11
7.1.100.0040.01118.22
7.1.70.0050.00217.25
7.1.60.0100.01019.32
7.1.50.0190.01235.13
7.1.00.0030.07022.46
7.0.200.0000.00816.77
7.0.140.0000.07722.23
7.0.60.0130.08019.98
7.0.50.0000.05317.95
7.0.40.0030.06020.34
7.0.30.0270.06020.23
7.0.20.0270.05320.24
7.0.10.0070.05320.10
7.0.00.0000.04320.26
5.6.280.0070.07021.09
5.6.210.0030.08020.71
5.6.200.0070.06718.14
5.6.190.0130.06320.51
5.6.180.0330.05020.61
5.6.170.0500.06720.51
5.6.160.0100.04020.51
5.6.150.0030.08318.23
5.6.140.0100.05018.23
5.6.130.0030.05318.18
5.6.120.0100.03720.91
5.6.110.0000.05721.11
5.6.100.0070.04021.10
5.6.90.0070.04321.12
5.6.80.0100.06720.37
5.5.350.0170.07720.43
5.5.340.0100.03717.94
5.5.330.0070.07020.45
5.5.320.0370.06720.53
5.5.310.0130.05020.52
5.5.300.0200.06717.99
5.5.290.0070.06317.92
5.5.280.0030.06020.93
5.5.270.0070.05020.72
5.5.260.0070.08320.88
5.5.250.0070.08320.61
5.5.240.0200.07320.29
5.4.450.0330.04019.17
5.4.440.0500.04719.59
5.4.430.0470.04719.47
5.4.420.0770.00019.34
5.4.410.0700.00019.22
5.4.400.0670.00019.22
5.4.390.0630.00019.09
5.4.380.0630.00018.98
5.4.370.0630.00019.28
5.4.360.0630.00019.09
5.4.350.0670.00019.17
5.4.340.0120.03811.98
5.4.320.0110.04212.48
5.4.310.0080.04412.47
5.4.300.0070.04312.48
5.4.290.0040.04212.46
5.4.280.0110.03712.36
5.4.270.0060.03712.37
5.4.260.0060.03812.37
5.4.250.0070.04112.37
5.4.240.0100.04012.37
5.4.230.0070.03712.36
5.4.220.0070.03612.36
5.4.210.0090.03912.36
5.4.200.0190.05912.36
5.4.190.0130.08312.36
5.4.180.0100.04012.35
5.4.170.0100.04012.36
5.4.160.0070.05012.36
5.4.150.0090.05012.35
5.4.140.0140.03712.04
5.4.130.0090.04512.03
5.4.120.0110.05911.99
5.4.110.0110.05111.98
5.4.100.0110.04311.98
5.4.90.0070.04011.98
5.4.80.0120.04711.98
5.4.70.0110.04511.98
5.4.60.0100.03811.97
5.4.50.0050.04111.97
5.4.40.0040.03711.96
5.4.30.0110.03611.96
5.4.20.0080.03811.96
5.4.10.0030.03711.96
5.4.00.0040.04411.45
5.3.290.0080.03712.80
5.3.280.0060.03812.71
5.3.270.0080.03912.73
5.3.260.0060.03812.72
5.3.250.0040.04112.72
5.3.240.0100.04112.72
5.3.230.0100.04412.71
5.3.220.0120.03512.68
5.3.210.0070.04612.68
5.3.200.0100.05012.68
5.3.190.0140.04712.68
5.3.180.0190.04512.67
5.3.170.0100.05112.67
5.3.160.0110.04812.67
5.3.150.0070.04112.68
5.3.140.0090.04112.66
5.3.130.0090.04812.66
5.3.120.0080.03812.66
5.3.110.0050.04012.66
5.3.100.0060.03912.11
5.3.90.0060.04112.09
5.3.80.0070.03912.09
5.3.70.0050.03912.08
5.3.60.0040.03812.07
5.3.50.0040.04112.02
5.3.40.0060.04112.02
5.3.30.0080.03711.98
5.3.20.0070.03911.76
5.3.10.0050.03911.72
5.3.00.0090.05411.71
5.2.170.0070.0369.21
5.2.160.0070.0339.21
5.2.150.0080.0359.21
5.2.140.0060.0339.20
5.2.130.0030.0339.17
5.2.120.0030.0309.17
5.2.110.0060.0309.17
5.2.100.0090.0249.17
5.2.90.0040.0319.16
5.2.80.0110.0419.16
5.2.70.0100.0309.16
5.2.60.0070.0359.12
5.2.50.0080.0309.08
5.2.40.0020.0319.07
5.2.30.0050.0319.05
5.2.20.0050.0309.09
5.2.10.0060.0369.00
5.2.00.0040.0308.85
5.1.60.0050.0238.15
5.1.50.0050.0268.15
5.1.40.0010.0278.13
5.1.30.0070.0258.48
5.1.20.0040.0278.50
5.1.10.0030.0278.23
5.1.00.0030.0298.23
5.0.50.0030.0206.69
5.0.40.0040.0196.56
5.0.30.0030.0336.38
5.0.20.0050.0216.34
5.0.10.0030.0236.32
5.0.00.0030.0346.32
4.4.90.0060.0144.78
4.4.80.0030.0174.76
4.4.70.0020.0174.75
4.4.60.0010.0204.75
4.4.50.0030.0164.77
4.4.40.0040.0274.71
4.4.30.0020.0164.76
4.4.20.0040.0154.85
4.4.10.0040.0204.85
4.4.00.0030.0334.76
4.3.110.0010.0184.67
4.3.100.0030.0164.66
4.3.90.0020.0164.64
4.3.80.0060.0214.61
4.3.70.0060.0124.63
4.3.60.0040.0214.62
4.3.50.0010.0234.63
4.3.40.0030.0284.56
4.3.30.0020.0163.37
4.3.20.0030.0153.35
4.3.10.0000.0183.28
4.3.00.0130.0209.88

preferences:
45.55 ms | 401 KiB | 5 Q