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Reg
ular
Ex
pressions
101
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Regular Expression
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^(?!^0\.)(?!^10\.)(?!^100\.6[4-9]\.)(?!^100\.[7-9]\d\.)(?!^100\.1[0-1]\d\.)(?!^100\.12[0-7]\.)(?!^127\.)(?!^169\.254\.)(?!^172\.1[6-9]\.)(?!^172\.2[0-9]\.)(?!^172\.3[0-1]\.)(?!^192\.0\.0\.)(?!^192\.0\.2\.)(?!^192\.88\.99\.)(?!^192\.168\.)(?!^198\.1[8-9]\.)(?!^198\.51\.100\.)(?!^203.0\.113\.)(?!^22[4-9]\.)(?!^23[0-9]\.)(?!^24[0-9]\.)(?!^25[0-5]\.)(([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5])\.([0-9]|[1-9][0-9]|1[0-9]{2}|2[0-4][0-9]|25[0-5]))$
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