NAME

       Catmandu::Fix::index - Find all positions of a (sub)string in a field

SYNOPSIS

          # On strings, search the occurence of a character in a string

          # word => "abcde"
          index(word,'c')                   # word => 2
          index(word,'x')                   # word => -1

          # word => "abccde"
          index(word,'c', multiple:1)       # word => [2,3]

          # word => [a,b,bba] , loop over all word(s) with the '*'
          index(word.*,'a')                 # word -> [0,-1,2]

          # On arrays, search the occurence of a word in an array

          # words => ["foo","bar","foo"]
          index(words,'bar')                # words => 1
          index(words,'foo', multiple: 1)   # words => [0,2]

SEE ALSO

       Catmandu::Fix