Metacharacter
A metacharacter is a character that has a special meaning instead of a literal meaning to a computer program, such as a Operating system shell shell interpreter or a regular expression engine. Examples ..
Escape character
Bob Bemer See also Esc key Escape sequence ANSI escape code Delimiter Metacharacter Stropping ..
Regular expression examples
. ref metacharacter s the metacharacters column specifies the regex syntax being demonstrated m indicates ... Science Page 320, Programming PHP Page 106 . table class wikitable tr th Metacharacter s th ..
Backslash
. In various regular expression languages it acts as a switch, changing literal characters into metacharacter ..
Chomski
in a file cat inputFileName chomski s n plus count print This example used some of the following metacharacter ..
String literal
Delimiter collision delimiter collision enables the inclusion of metacharacter s that might ... the use of metacharacter s inside string literals. Metacharacters have varying interpretations depending ..
Meta
or META , an HTML tag Metacharacter Metacognition Meta communication Meta discussion Meta emotion Meta ..
Vulnerability (computing)
shell metacharacter s so they are interpreted SQL injection Code injection E mail injection Directory ..
Binary-to-text encoding
50, the character is ASCII 125, and the metacharacter carriage return is ASCII 13. Systems based on ASCII ..
Sed metacharacter s The caret code code matches the beginning of the line. The dollar sign code ..
Extensibility pattern
diagnostic information to user pre We re using the G regex metacharacter that matches where the last ..
Regular expression
, listed below, are called metacharacter s or metasequences. valign top code . code Matches ... Regular Expression ERE syntax. With this syntax, a backslash causes the metacharacter to be treated ..
Code injection
to a program includes assuming that metacharacter s for an API never occurs in an input e.g. ..
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