23. The apparatus of claim 17 , wherein the text search string is a string of alphanumeric characters.
17. An apparatus for searching for a string of characters on a web page, comprising: input means for receiving a user input containing a text search string to be identified on a web page loaded in a web browser on a computer, the web page being displayed to the user on a computer display; means for determining a common substring between the text search string and a hypertext markup language representation of the web page; means for identifying a document object model tree node that includes the common substring; means for verifying that a remainder of the text search string and the common substring is included in one or more surrounding nodes of the document object model tree, wherein the means for verifying includes: means for examining one or more nodes located to the left of the node with the common substring in the document object model tree to match characters left of the common substring in the text search string; and means for examining one or more nodes located to the right of the node with the common substring in the document object model tree to match characters right of the common substring in the text search string; and means for displaying to the user on the computer display the location of the text search string on the web page.