Invalid string literal '^.*\s(\d+)\s.*$'. Illegal character sequence \s' in string literal [duplicate]

Question

I want to use the below regex string: private final String regex = '^.*\s(\d+)\s.*$'; In a Pattern: private Pattern pattern = Pattern.compile(regex); But I am getting this error: Illegal string literal: Invalid string literal '^.\s(\d+)\s.$'. Illegal character sequence \s' in string literal. What do I need to do to fix this? Top keywords - *\

Felica Laplaca · Accepted Answer

Escape all the characters with more character of course!private final String regex = '^.*\s(\d+)\s.*$'; Hope this will help you solve your error.

Invalid string literal '^.\s(\d+)\s.$'. Illegal character sequence \s' in string literal [duplicate]

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