otp.Operation.str.len

len()

Get the length of a string.

Returns

The length of the string. If a null-character (byte with value 0) is present in the string, its position (0-based) is returned.

Return type

Operation

Examples

>>> data = otp.Ticks(X=['hello', 'world!'])
>>> data['LEN'] = data['X'].str.len()
>>> otp.run(data)
                     Time       X  LEN
0 2003-12-01 00:00:00.000   hello    5
1 2003-12-01 00:00:00.001  world!    6