Riwayat perubahan "remove all characters not in second string" (Z14515)
Seleksi Diff: Tandai kotak radio tingon revisi giot mambandingkon dohot pisat enter sanga tombol naitoru.
Legend: (sonnari) = parbedaan dohot revisi tarbaru, (cimak) = parbedaan dohot revisi naparjolo, m = pengeditan menek.