question: check to see if a string is in trie concode_field_sep TrieNode root concode_field_sep boolean isVowel concode_elem_sep String toRegex concode_elem_sep String traverseTrieCBN concode_elem_sep String traverseTrieNBC concode_elem_sep String regexFind concode_elem_sep void insert concode_elem_sep void insert concode_elem_sep String toString concode_elem_sep String replaceLetter concode_elem_sep String simpleFind
target: String function ( String arg0 ) { String loc0 ; loc0 = simpleFind ( root , arg0 , 0 ) ; if ( loc0 != null ) { return loc0 ; } else { return regexFind ( root , toRegex ( arg0 ) , 0 ) ; } }