1. eclipse： http://www.eclipse.org/tptp/home/downloads/installguide/gla_42/ref/rregexp.html (在eclipse中查找和替换时会用到)
2. notepad++
// - Backslash character; /t – TAB character; /r – CR character; /n – LF character; /0 – NULL character; /x## - Hexadecimal value (between 00 and FF); /u#### - Extended hexadecimal value (between 0000 and FFFF, meant for Unicode characters); /d### - Decimal value (between 000 and 255); /o### - Octal value (between 000 and 377); /b######## - Binary value (between 00000000 and 11111111).http://www.scintilla.org/SciTERegEx.html
