Problems with using jquery validate

Write a form for submission today ProgramAnd found that jquery's validate official plug-in is very useful and decided to use it. There is no problem with running its demo after the download. However, an error occurred while using it in the project, prompting a regular expression error. Check the source program and find CodeThere is a piece of code garbled, and ASCII and utf8 may also affect, after conversion to utf8, replace the URL detection method with your own regular expression.
Extend the verification method of validate by yourself. If Ajax verification is used, you need to set it to the synchronous mode so that the validators will wait until Ajax verification returns.