How to Remove Characters Except Numbers from a String ?
Following Code will remove all character,special characters including space. $givenNumber = "1245fdfd8454D FDFDF434 3$#$#%"; $testingNumber = preg_replace('[D]’, ”, $givenNumber); echo $testingNumber; Output is : 124584544343 $givenNumber = "1245fdfd8454D FDFDF434 3$#$#%"; $testingNumber = preg_replace(‘[D]’, ”, $givenNumber); echo $testingNumber; Output is : 124584544343