numpy.char.find   char.find(a, sub, start=0, end=None)[source]
 
For each element, return the lowest index in the string where substring sub is found. Calls str.find element-wise. For each element, return the lowest index in the string where substring sub is found, such that sub is contained in the range [start, end].  Parameters 
 
aarray_like of str or unicode


substr or unicode


start, endint, optional


Optional arguments start and end are interpreted as in slice notation.    Returns 
 
outndarray or int


Output array of ints. Returns -1 if sub is not found.      See also  str.find
  


    
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