1. A text searching method comprising: extracting initials of words in a text to be searched, wherein the extracting is performed according to a predetermined extracting rule; forming an initial character string including the initials; creating a mapping relation between the initial character string and the text to be searched; identifying an abbreviation character string, wherein the abbreviation character string represents an abbreviation of some of the words in the text to be searched; performing matching between the initial character string and the abbreviation character string; and determining, based on the matching, an expanded phrase corresponding to the abbreviation character string, wherein the expanded phrase includes some of the words in the text to be searched; determining, based on the matching and the mapping relation, locations of the expanded phrase in the text to be searched.
1. A text searching method comprising: extracting initials of words in a text to be searched, wherein the extracting is performed according to a predetermined extracting rule; forming an initial character string including the initials; creating a mapping relation between the initial character string and the text to be searched; identifying an abbreviation character string, wherein the abbreviation character string represents an abbreviation of some of the words in the text to be searched; performing matching between the initial character string and the abbreviation character string; and determining, based on the matching, an expanded phrase corresponding to the abbreviation character string, wherein the expanded phrase includes some of the words in the text to be searched; determining, based on the matching and the mapping relation, locations of the expanded phrase in the text to be searched. 7. The text searching method according to claim 1 , wherein in the extracting, the initial character string is extracted from the text to be searched per paragraph with a line feed character being a flag of an end of a paragraph, and wherein each paragraph corresponds to an individual initial character string after the extracting, and all initial character strings extracted from the entire text are numbered by sequence of the paragraphs.