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  1. class Ideone {
  2.     static void main(String[] args) {
  3. 		String specialCharRegex = /[\W_&&[^\s]]/;
  4. 		println('test 1& test'.replaceAll(specialCharRegex, '\\\\$0'));
  5. 		println('test 1& test 2$'.replaceAll(specialCharRegex, "\\\\\$0"));
  6. 		println('test 1& test 2$ test 3%'.replaceAll(specialCharRegex, /\\$0/));
  7. 		println('!"@#$%&/()=?'.replaceAll(specialCharRegex, /\\$0/));
  8.     }
  9. }
  10.  
Success #stdin #stdout 0.93s 83532KB
comments (?)
stdin 
Standard input is empty
stdout 
test 1\& test
test 1\& test 2\$
test 1\& test 2\$ test 3\%
\!\"\@\#\$\%\&\/\(\)\=\?
https://ideone.com/mf8ygk
language:
Groovy (groovy 2.5.6)
created:
7 years ago
visibility:
secret

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