pandas.Series.str.find#

Series.str.find(sub,start=0,end=None)[source]#

Return lowest indexes in each strings in the Series/Index.

Each of returned indexes corresponds to the position where thesubstring is fully contained between [start:end]. Return -1 onfailure. Equivalent to standardstr.find().

Parameters:

substr

Substring being searched.

startint

Left edge index.

endint

Right edge index.

Returns:

Series or Index of int.

See also

rfind

Return highest indexes in each strings.

Examples

For Series.str.find:

>>>ser=pd.Series(["cow_","duck_","do_ve"])>>>ser.str.find("_")0   31   42   2dtype: int64

For Series.str.rfind:

>>>ser=pd.Series(["_cow_","duck_","do_v_e"])>>>ser.str.rfind("_")0   41   42   4dtype: int64