Вы искали: character is (Китайский (упрощенный) - Английский)

"character"
"varchar"

varchar, character
varchar, character

any "word" character
for example, the pattern (a_bar_(bc))\2 always fails if it starts to match "a "rather than "bc".

supported character encodings
character encoding may be specified for mbstring functions' encoding parameter.

returns the the% character.
note:

encoding is character encoding.
encoding is character encoding.

encoding: character encoding name
return value:

% - a literal percent character. no argument is required.
this option has no effect for other types than float. (another function useful for formatting numbers is number_format().)

if needle contains more than one character, the first is used.
if needle contains more than one character, the first is used.

charset is character encoding name. default is iso-2022-jp.
transfer-encoding is transfer encoding.

is a tab followed by the character "3"
these appear between the sequences / * and * / and within the sequence, individualthese appear between the sequences / * and * / and within the sequence, individual * and / characters may appear.

encoding is character encoding. if it is omitted, internal encoding is used.
if it is omitted, internal encoding is used.

alarm, that is, the bel character (hex 07)
it is also possible to unset these options by preceding the letter with a hyphen, and a combined setting and unsetting such as (?im-sx), which sets pcre_caseless and pcre_multiline while unsetting pcre_dotall and pcre_extended, is also permitted.

"control-x", where x is any character
for settings that are outside any subpattern (defined below), the effect is the same as iffor settings that are outside any subpattern (defined below), the effect is the same as if the options were set or unset at the start of matching.

encoding is character encoding. if it is not set, internal character encoding is used.
if it is not set, internal character encoding is used.

encoding is character encoding name. if it is omitted, internal character encoding is used.
if it is omitted, internal character encoding is used.

encoding is character encoding for str. if encoding is omitted, internal character encoding is used.
if encoding is omitted, internal character encoding is used.

encoding specifies the encoding for needle and haystack. if omitted, internal character encoding is used.
if omitted, internal character encoding is used.

returns a version of str with a backslash character (\) before every character that is among these:
returns a version of str with a backslash character (\) before every character that is among these:

returns true if every character in text is printable, but neither letter, digit or blank, false otherwise.
returns true if every character in text is printable, but neither letter, digit or blank, false otherwise.