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<?php $in = (float) .25; var_dump(preg_match('/([0-9]*(_[0-9]+)*[\.][0-9]+)|([0-9]+[\.][0-9]*(_[0-9]+)*)/', $in)); $in2 = (float) 0.25; var_dump(preg_match('/([0-9]*(_[0-9]+)*[\.][0-9]+)|([0-9]+[\.][0-9]*(_[0-9]+)*)/', $in2)); $in3 = (float) ".25"; var_dump(preg_match('/([0-9]*(_[0-9]+)*[\.][0-9]+)|([0-9]+[\.][0-9]*(_[0-9]+)*)/', $in3));
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
int(1) int(1) int(1)
preferences:
139.64 ms | 407 KiB | 5 Q