Metacharacters There is a ruler option on the Action in Installanywhere, one of which is Match Regular Expression, which explains some of these symbols:
The period (.)
Point, representing any character here. For example, you wrote B.T, BAT bit b3t, what is all of this expression?
The backslash (/)
The backslash is in this, such as "." To restore its original meaning. For example, you have to match 3.1415 You have to write 3 / .1415. Remove the special meaning of using "." In IAW.
The Question Mark (?)
Question mark, indicating that it can appear in the previous character. For example: Do you want to write S? Lice, "SLICE" and "Lice" match this expression. Is it "?" The "S" before you can have no
The star (*)
The asterisk, indicating that the characters in front can have once and any number, such as what "AB * C" "AC" "ABC" "ABBC" matches this expression. The middle b can have a number of times.
The Plus plus, indicating that one of its characters can have more than one or more include zero (this point is different from the "*" above)
For example, you wrote "AB C", "ABC" "ABBC" matches, and "AC" does not match this and "*"
If there is any error, I hope to correct. For details, please see the page
Http://www.zerog.com/iamanual/usermanual_ia45/User_guides/contents.htm#_toc535303204
