• i case insensitive matching
  • g global matching
  • m multiline matching
Match Result

Quick Reference

[abc] Find any character between the brackets
[^abc] Find any character not between the brackets
[a-z] Find any character from a to z
[a-Z] Find any character from a to Z
[a|b|c] Find any of the alternatives specified
. Find a single char, except newline or line terminator
\w Find a word character
\W Find a non-word character
\d Find a digit
\D Find a non-digit character
\s Find a whitespace character
\S Find a non-whitespace character
\b Find a match at the beginning/end of a word
\B Find a match not at the beginning/end of a word
\0 Find a null character
\n Find a new line character
\f Find a form feed character
\r Find a carriage return character
\t Find a tab character
\v Find a vertical tab character
\xxx Find the character specified by the octal number xxx
\xdd Find the character specified by the hex number dd
\uxxxx Find the unicode character specified by hex number xxxx
n+ Matches any string that contains at least one n
n* Matches any string that contains zero or more occurrences of n
n? Matches any string that contains zero or one occurrences of n
n{X} Matches any string that contains a sequence of X n's
n{X,Y} Matches any string that contains a sequence of X or Y n's
n{X,} Matches any string that contains a sequence of at least X n's
n$ Matches any string with n at the end
^n Matches any string with n at the beginning
?=n Matches any string that is followed by a specific string n
?!n Matches any string that is not followed by a specific string n