15. The computer program product of claim 9 , wherein the text search string is a string of alphanumeric characters.
9. A machine-readable storage device, storing a computer program product, comprising instructions operable to cause a computer to: receive, from an input device connected to the computer, a user input containing a text search string to be identified on a web page loaded in a web browser on the computer, the web page being displayed to the user on a computer display; determine a common substring between the text search string and a hypertext markup language representation of the web page; identify a document object model tree node that includes the common substring; verify 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 instructions to verify includes instructions to: examine 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 examine 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 display to the user the location of the text search string on the web page.