Convert C# RegEx to Java RegEx

Hi all;
I have some RegEx in C#, and i would like use them in java Application, but the c# and Java RegEx are not compatible, so it does a RegEx converter exist?; for more ingo my RegExs are:

Bonjour tout le monde,

J'ai des RegEx en C#, et je voudrais les utiliser dans une application java, mais les RexEx C# et Java ne sont pas compatibles... donc, existe-t-il un convertisseur ?

Mes RegExs sont :

Citation:

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(".*?[^\\]")|('.*?[^\\]')|<<<(\w+)(.|\s)+?(\4)
\$[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*
(?<=function[\s+])[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(?=\s*\()
(?<![$])(?<=[\s=\+\-\*\(\)\!\>,;@])[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*(?=\s*\()
(?<=class\s)[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*

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Thank you; i have realy need to this.:(