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Substitution and Translation - Perl Tutorial Perl provides substitution operator s to allow you to replace the old text, the matching text, with the new text The following illustrates the substitution operator: Between the first two slashes, you put your regular expression Before the final slash, you put your new text to replace
Perl regex return matches from substitution - Stack Overflow Here is another way to do it without executing Perl code inside the substitution The trick is that the s g will return one capture at a time and undef if it does not match, thus quitting the while loop See similar questions with these tags
Passing a regex substitution as a variable in Perl In general, when you want to pass "something that does something" to a subroutine ("a regex substitution" in the case of your question) the answer is to pass a reference to a piece of code
Substitutions with s (Learning Perl, 3rd Edition) - MIK There's a return value from s ; it's true if a substitution was successful; otherwise it's false: $_ = "fred flintstone"; if (s fred wilma ) { print "Successfully replaced fred with wilma!\n"; }
Perl | substitution Operator - GeeksforGeeks Substitution Operator or 's' operator in Perl is used to substitute a text of the string with some pattern specified by the user Syntax: s text pattern Returns: 0 on failure and number of substitutions on success