A non-transitory computer-readable storage medium storing a program that causes a computer to execute a process including detecting, from a text, one of a plurality of first strings included in first information, each of the plurality of first strings being associated with control information, determining whether to execute a determination process based on the control information associated with a specified string when the specified string is detected from the text, the determination process determining whether the second string is included in second information, the second information including at least one of third string being associated with another coded string, the second string being a string that includes the specified string at the beginning of the second string, executing the determination process when the determination process is determined to be executed and transforming the second string into the another coded string associated with the third string.