Bugfix for PropertyExpander (issue #767)#768
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The property expander malforms SOAP-Requests if there are ${ present in it which are not part of a Property name. Property names must always start with ${ and end with } and have not any linebreaks in it. Thus i have added a very simple regex check to verify this before processing the content for expansion. This fixes issue #767.
Here is a simple explanation for the regex:
(?<=${) is a positive lookbehind assertion that matches the literal characters ${ at the beginning of the substring. This ensures that the match occurs after ${.
[^\r\n]+ matches any non-linebreak character 1..n times
it can be limited to a number of characters by replacing + with {1,256} e.g. from 1 to 256 times. This enforces the maximum length of 256 characters for the substring.
(?=}) is a positive lookahead assertion that matches the literal character } at the end of the substring. This ensures that the match occurs before }.