当我不知道字符串开头有多少'0'字符时,如何删除字符串中的第一个字母。此外,当字符串不在开头时,不应从字符串中删除“0”。
例如,从以下位置删除0
:
000000000000000000000000000000000000000000000The sun is going up at 06:30pm
00000000000000000000000000000Finally it is over
得到:
The sun is going up 06:30pm
Finally it is over