$re = '/:[^,]*,/m';
$str = 'open: boolean,
onDidDismiss: () => void,
message: string,
showAddReceiptModal: boolean,
showModal: (value: (((prevState: boolean) => boolean) | boolean)) => void,
vehicleTabRef: React.MutableRefObject<null>,
onReceiptSubmit: (data) => void,
vehicle: any,
showModal1: boolean,
showModal2: (value: (((prevState: boolean) => boolean) | boolean)) => void,
selectedReceipt: { __typename: "Receipt" | undefined; id: string | undefined; purchaseDate: string | undefined; sellerName: string | undefined; sellerAddress: string | undefined; sellerCity: string | undefined; sellerState: string | undefined; sellerZipCode: string | undefined; totalAmount: number | undefined; gallonsPurchased: number | undefined; image?: string | null | undefined | undefined; userID?: string | null | undefined | undefined; vehicleID: string | undefined; vehicle?: Vehicle | null | undefined | undefined; taxRefund?: number | null | undefined | undefined; createdAt: string | undefined; updatedAt: string | undefined },
onClick: () => void,
onClick1: () => void,
dataEditing: boolean,
toastMessage: (val) => void,
editing: (bool) => void,
showToast: (bool) => void,
showModal3: boolean,
showModal4: (bool) => void,
dateFilter: { startDate: string; endDate: string },';
$subst = ",";
$result = preg_replace($re, $subst, $str);
echo "The result of the substitution is ".$result;
Please keep in mind that these code samples are automatically generated and are not guaranteed to work. If you find any syntax errors, feel free to submit a bug report. For a full regex reference for PHP, please visit: http://php.net/manual/en/ref.pcre.php