How to replace and concatenate Flex strings
This article mainly introduces how to replace and connect Flex strings, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.
Flex string processing
1. Connect Flex string
Concatenating Flex strings means that two or more Flex strings are merged into a single Flex string.
1.1.The "+" operator concatenates Flex strings
Format: Flex string 1+Flex string 2 characters...
/ / the result is "Thisworks"
Varexample:String= "This" + "works"; / / result is "Thereare24people" varattendance:int=24; varoutput:String= "Thereare" + attendance+ "people"; / /
Here the compiler automatically converts attendance to Flex strings.
But with numeric types on both sides of the + sign, the type needs to be cast before it can be added.
1.2.The "+ =" operator concatenates the Flex string:
Represents an advanced concatenation operation and then assigns the result to * Flex strings.
Format: Flex string + = Flex string 2+Flex string 3 times...
Vars1:String= "11"; trace (S1 = "22" + "33"); / / display "112233"
two。 Replace Flex string
Replace the Flex string function replace:
Searches for the specified Flex string and replaces it with another Flex string, and then returns the replaced Flex string. This method can only replace * matching Flex strings. To replace them all, you need to use a loop.
Format: Flex string variable .replace (search Flex string, replace Flex string)
2.2 other replacement functions split+join
Format: Flex string variable .split (delimited Flex string)
Array variable .join (concatenate Flex string)
Varexample:String= "Thisis
Asentence
On3lines "; / * is displayed as: Thisis asentence on3lines * / trace (example.split ("
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