使用正则表达式(或其他方法),如何在5050或1010分割此文本
505079000012345 ORE
10201 00
1030CA
1030AL
505079000012346 ORE
10201 00
1030CA
1030AL
101014003412 ORE
10201 00
1030CA
1030AL
505079000012347 ORE
10201 00
1030CA
1030AL
101014003413 ORE
10201 00
1030CA
1030AL
这样生成的字符串是(注意我想在每个字符串组的开头保留分隔符字符串):
505079000012345 ORE
10201 00
1030CA
1030AL
505079000012346 ORE
10201 00
1030CA
1030AL
101014003412 ORE
10201 00
1030CA
1030AL
505079000012347 ORE
10201 00
1030CA
1030AL
101014003413 ORE
10201 00
1030CA
1030AL