Carriage return length of line break

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The length of the return line in 1,js is 1,

In Java, the length of the calculation is 2,

The length calculated in DB2 is also 2

The two are not uniform, if the input is exactly the edge value, the foreground through the word length verification, but the background inserted into the database, error;

In order to make JS and Java,db2 Unified, the foreground to verify the length

by Content.replace (/[\r\n]/g, "yy"), the carriage return will be replaced by random 2 characters, so that the front and rear platform is unified

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Carriage return length of line break