import re
pattern = r"^\d+\s\D*"
s = ("1964 ORDINARY shares\n"
"EXECUTORS OF JOANNA C RICHARDSON\n"
"100 ORDINARY shares \n"
"TG MARTIN\n"
"C MARTIN\n"
"7500 ORDINARY shares \n"
"ARCO LIMITED")
print(re.findall(pattern, s, re.M))
aW1wb3J0IHJlCgpwYXR0ZXJuID0gciJeXGQrXHNcRCoiCgpzID0gKCIxOTY0IE9SRElOQVJZIHNoYXJlc1xuIgogICAgICAgICAgICAiRVhFQ1VUT1JTIE9GIEpPQU5OQSBDIFJJQ0hBUkRTT05cbiIKICAgICAgICAgICAgIjEwMCBPUkRJTkFSWSBzaGFyZXMgXG4iCiAgICAgICAgICAgICJURyBNQVJUSU5cbiIKICAgICAgICAgICAgIkMgTUFSVElOXG4iCiAgICAgICAgICAgICI3NTAwIE9SRElOQVJZIHNoYXJlcyBcbiIKICAgICAgICAgICAgIkFSQ08gTElNSVRFRCIpCgpwcmludChyZS5maW5kYWxsKHBhdHRlcm4sIHMsIHJlLk0pKQ==