diff options
| -rw-r--r-- | order_of_operations_parser.php | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/order_of_operations_parser.php b/order_of_operations_parser.php index 1d5b320..f4525db 100644 --- a/order_of_operations_parser.php +++ b/order_of_operations_parser.php @@ -66,8 +66,13 @@ for (i=0;i<=$numRecords;i++) while ($tok !== false) { $equation = $tok[2]; - +/**********REGULAR EXPRESSION KEY*********/ +//Addition = /\+/ +//Subtraction = /[0-9]\-[0-9]/ +//Division = /\// +//Multiplication= /\*/ + // ` ********************************ADDITION************************* |