\d+?a digit, repeated at least once
+matches at least one character from the set below:
\ra carriage return (ASCII 13)
\na line-feed (newline) character (ASCII 10)
.*any character, repeated any number of times
3the literal 3 (5110 / 638 / 3316)
.any character
2the literal 2 (5010 / 628 / 3216)
.any character
Pthe literal P (8010 / 1208 / 5016) (case sensitive)
.any character
4the literal 4 (5210 / 648 / 3416)
.any character
4the literal 4 (5210 / 648 / 3416)
.any character
\s+any whitespace character, repeated at least once
Justificationthe literal text Justification (case sensitive) \s+any whitespace character, repeated at least once
ofthe literal text of (case sensitive) \s+any whitespace character, repeated at least once
Specificationsthe literal text Specifications (case sensitive) s modifier: single line. Allows a dot to match line terminators
U modifier: Ungreedy. Quantifiers are lazy by default. A trailing ? makes a quantifier greedy