string.substring string intercept function

Source: Internet
Author: User

string.substring (int startindex, int length)

Returns a substring starting from startindex to the end, or a substring that starts with a length of startindex.

Intercepts a portion of the string, parameter 1 is the left starting bit, and the parameter 2 is the Intercept number.

Such as:

string S1 = str.substring (0,2);

Note: Parameter 2 is longer than the total length of the actual STR string, which can be an error!

such as: 1,2,3,4, such a character in C # to remove the last comma.

String AA = ", 1,2,3,4,";
AA = aa.substring (0, aa. length-1);//Remove the last comma

AA = aa.substring (1);//Remove First word

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