Online PHP editor | perf for 1iUpZ

<?php $re = '~(*UTF) x (?<!\w.) [\d._ –-]* (*SKIP) (*F) | order (?<!\worder) [\W_]* (?:number)? [\W_]* [\d._ –-]* (*SKIP) (*F) | (?<res>[1234578] (?>[._ –-]{0,3}\d){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){2} ) (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){4} | (?<res>0 (?> 0{2} [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){2}) (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){4} | (?<res>6 (?> 66 [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){2}) (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?>[._ –-]{0,3}\d){4} | 9 [\d._ –-]* (*SKIP) (*F)~ixJ'; $str = '//won\'t match if it is preceded with \'X\' or \'x\' x123456789 X123456789 x123-456-789 X123-456-789 123-456-789 ordernumber 123-456-789 order number123-456789 order number----123-456789 order number 123456789 ordernumber-x123456787 ordernumber-123456787 ORDERNUMBER-123456789 ordernumber - 123456789 ordernumber #123456789 ordernumber *%&%*123456789 ordernumber !@#$%^&123456789 order.number 123456789 order_number 123456789 order._.number 123456789 order...number#123456789 order-.-.-.-.123456789 order 123456789 order..123456789 order#123456789 order_#123456789 order._.#123456789 order___123456789 order#number 123456789 order......number 123456789 order.number.123456789 social security number 123-456-789 ordernumber !@#$%^&x123456789 123456789 #@%#$%#$123456789#$%#$^$# 123-456789 123456789 123456789 123 45 6789 123-45-6789 123-45-6789 123 – 45 – 6789 123.45.6789 123_45_6789 123 456 789 123-456-789 123 – 456 – 789 123.456.789 123_456_789 1234 56 789 1234-56-789 1234 – 56 – 789 1234.56.789 1234_56_789 12 345 6789 12-345-6789 12 – 345 – 6789 12.345.6789 12_345_6789 The number should not be matched at all for the following rules. If the number beginning with the number “9” 912345678 912000000 If the number “666” in positions 1 – 3. 666000000 666450000 666129876 If the number “000” in positions 1 – 3. 000000000 000450000 000120000 If the number “00” in positions 4 – 5. 123006789 876001234 765003456 if the number “0000” in positions 6 – 9 123450000 123000000 876000000 x123456789 X123456789 x123-456-789 X123-456-789 '; $n = 10000; $re2 = '/\b(?>x|order(?>[\W_]*number)?[\W_]*)\d+(*SKIP)(*F)|(?=(?>[._ –-]*\d){9})(?>(?>9|6{3}|0{3}|(?>\d\D*){3}00|(?>\d\D*){5}0{4})(*SKIP)(*F)|\d(?>\D*\d){4})/mi'; $start = microtime(true); for($i=0; $i<$n; $i++) { preg_match_all($re2, $str, $matches, PREG_SET_ORDER); } $time2 = microtime(true) - $start; $start = microtime(true); for($i=0; $i<$n; $i++) { preg_match_all($re, $str, $matches, PREG_SET_ORDER); } $time1 = microtime(true) - $start; $re3 = '/(\border\D*\W*)\d+(*SKIP)(*F)|(\border\D*number\W*)\d+(*SKIP)(*F)|(?<!x)(?=(?:[._ –-]*\d){9})(?!9|66\D*6|00\D*0|(?:\d\D*){3}0\D*0|(?:\d\D*){5}0(?:\D*0){3})\d(?:[._ –-]*\d){4}/mi'; $start = microtime(true); for($i=0; $i<$n; $i++) { preg_match_all($re3, $str, $matches, PREG_SET_ORDER); } $time3 = microtime(true) - $start; $re4 = '~(*UTF) x (?<! \w x ) [\d._ –-]* (*SKIP) (*F) | order (?<! \w order ) [\W_]* (?:number)? [\W_]* [\d._ –-]* (*SKIP) (*F) | [1-578] (?:[._ –-]{0,3}+\d){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?:[._ –-]{0,3}+\d){2} (?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?:[._ –-]{0,3}+\d){4} ) | 0 (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){4} ) | 6 (?: 6{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?: 0{2} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){2} (?= (?: 0{4} [\d._ –-]* (*SKIP) (*F) )? (?: [._ –-]{0,3}+ \d ){4} ) | 9 [\d._ –-]* (*SKIP) (*F) ~ix'; $start = microtime(true); for($i=0; $i<$n; $i++) { preg_match_all($re4, $str, $matches, PREG_SET_ORDER); } $time4 = microtime(true) - $start; printf("Casimir: %.2e\nAnubhava: %.2e\nKamesh: %.2e\nCasimir (la): %.2e", $time1, $time2, $time3, $time4);

Version	System time (s)	User time (s)	Memory (MiB)
8.1.12	0.007	0.472	19.00
8.1.11	0.007	0.487	18.96
8.1.10	0.016	0.463	18.93
8.1.9	0.013	0.475	19.01
8.1.8	0.012	0.464	18.85
8.1.7	0.010	0.471	19.01
8.1.6	0.007	0.470	19.02
8.1.5	0.009	0.490	18.13
8.1.4	0.017	0.471	19.04
8.1.3	0.013	0.502	19.07
8.1.2	0.013	0.477	19.06
8.1.1	0.017	0.466	19.08
8.1.0	0.017	0.464	18.94
8.0.25	0.017	0.468	18.38
8.0.24	0.007	0.476	18.26
8.0.23	0.007	0.495	18.42
8.0.22	0.016	0.448	18.22
8.0.21	0.010	0.471	18.27
8.0.20	0.010	0.486	18.37
8.0.19	0.013	0.457	18.23
8.0.18	0.013	0.445	18.35
8.0.17	0.007	0.491	18.33
8.0.16	0.010	0.459	18.46
8.0.15	0.017	0.470	18.29
8.0.14	0.013	0.453	18.30
8.0.13	0.016	0.467	18.34
8.0.12	0.016	0.457	18.15
8.0.11	0.010	0.457	18.18
8.0.10	0.017	0.450	18.26
8.0.9	0.007	0.480	18.18
8.0.8	0.007	0.468	18.30
8.0.7	0.020	0.464	18.24
8.0.6	0.003	0.479	18.29
8.0.5	0.007	0.477	18.34
8.0.3	0.016	0.471	18.31
8.0.2	0.010	0.454	18.37
8.0.1	0.013	0.464	18.42
7.4.33	0.007	0.466	15.55
7.4.32	0.010	0.459	18.01
7.4.30	0.013	0.461	18.04
7.4.29	0.010	0.475	18.07
7.4.28	0.017	0.463	17.93
7.4.27	0.016	0.454	17.95
7.4.26	0.013	0.463	17.92
7.4.25	0.007	0.467	18.02
7.4.24	0.010	0.466	18.00
7.4.23	0.010	0.453	17.93
7.4.22	0.007	0.468	18.02
7.4.21	0.003	0.461	18.00
7.4.20	0.016	0.494	18.01
7.4.19	0.009	0.456	17.89
7.4.18	0.013	0.463	18.02
7.4.16	0.017	0.480	18.12
7.4.15	0.010	0.463	18.07
7.4.14	0.010	0.483	18.04
7.4.13	0.023	0.455	17.95
7.4.12	0.020	0.448	17.83
7.4.11	0.010	0.460	18.00
7.4.10	0.007	0.464	17.96
7.4.9	0.007	0.467	18.05
7.4.8	0.007	0.457	17.95
7.4.7	0.000	0.488	17.96
7.4.6	0.007	0.452	19.66
7.4.5	0.003	0.450	17.84
7.4.4	0.007	0.445	17.88
7.4.3	0.003	0.443	17.77
7.4.2	0.000	0.452	17.96
7.4.1	0.013	0.434	17.94
7.4.0	0.010	0.423	17.89