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PiliApp /
Regex Tester

Regex Tester

javascript php python

Säännöllinen lauseke:

/ /

[?]

Valinnat

preg_match_all re.DOTALL re.IGNORECASE re.LOCALE re.MULTILINE re.VERBOSE re.UNICODE

Testimerkkijonon:

Hyväksytty tulos:

Viite

\	general escape character with several uses
^	assert start of subject (or line, in multiline mode)
$	assert end of subject or before a terminating newline (or end of line, in multiline mode)
.	match any character except newline (by default)
[	start character class definition
]	end character class definition
\|	start of alternative branch
(	start subpattern
)	end subpattern
?	extends the meaning of (, also 0 or 1 quantifier, also makes greedy quantifiers lazy
*	0 or more quantifier
+	1 or more quantifier
{	start min/max quantifier
}	end min/max quantifier

.	Find a single character, 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 NUL 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 an octal number xxx
\xdd	Find the character specified by a hexadecimal number dd
\uxxxx	Find the Unicode character specified by a hexadecimal number xxxx

\	escapes special characters.
.	matches any character
^	matches start of the string (or line if MULTILINE)
$	matches end of the string (or line if MULTILINE)
[5b-d]	matches any chars '5', 'b', 'c' or 'd'
[^a-c6]	matches any char except 'a', 'b', 'c' or '6'
R\|S	matches either regex R or regex S.
()	Creates a capture group, and indicates precedence.

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Modifier	Description
i	Perform case-insensitive matching
g	Perform a global match (find all matches rather than stopping after the first match)
m	Perform multiline matching

Modifier	Description
i	Ignore Case, case insensitive
u	Causes pattern strings to be treated as UTF-8
U	Reverses the greediness of the subpattern; * and + now match as little as possible, instead of as much as possible
m	Make caret (^) match after, and dollar sign ($) match before, internal newlines (\n).
s	Make period (.) match any character, including newline (\n).
S	Causes the expression parser to more carefully examine the structure of the pattern, so it may run slightly faster the next time (such as in a loop)
x	Remove whitespace and comments from the pattern.
X	Causes a backslash followed by a character with no special meaning to emit an error
A	Causes the beginning of the string to be anchored as if the first character of the pattern were ^
D	Causes the $ character to match only at the end of a line