Eclipse Usage Tips---Using regular expressions to find replacements

1,eclipse Ctrl+f Open the Find box
2, check Regular expressions (regular expression)

Remove/* * */(Eclipse)/\* (. | [\ r \ n]) *?\*/
Remove//(Eclipse)//.*$
Remove import (Eclipse) import.*$
Remove blank line (Eclipse) ^\s*\n
Remove empty LINE (UE)%[^t]++^p Replace with <c:out value=/"/$/{af.map.$1/}/"/> ^hello with a hello for the beginning hello$ with Hello for the end of the string matching with </title>:
.*? </title>

Matches a string starting with <title>:
<title>. *

Match the string with the <title> start </title> end:
<title>. *? </title>

Eclipse Usage Tips---Using regular expressions to find replacements