how to append this javascript pattern to stringBuffer?

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var pattern =/^([0-9]{2})\/([0-9]{2})\/([0-9]{4})$/;

escape java javascript patterns sequence

JamesCherrill 2,728 · Answer 1 · 2013-12-26T14:04:35+00:00

You can append any String to a StringBuffer by using its append method, eg

StringBuffer sb = new StringBuffer("pattern is ");
String pattern = "/^([0-9]{2})\/([0-9]{2})\/([0-9]{4})$/"; // will need to escape the \ chars as \
sb.append(pattern);