**Last edit**

Summary: update from markhobley.yi.org

**Changed:**

< | ~ | [[tilde]] | **containment and non containment** operator

**to**

> | ~ | [[tilde]] | **regular expression binding** operator

*Symbol* | *Name* | *Purpose* |

!! | [[pling?]] | logical NOT |

" | [[doublequote?]] | |

# | hash | prefixes comments |

$ | dollar | field reference operator and regular expression anchor |

% | [[percent?]] | |

& | [[ampersand?]] | |

' | [[apostrophe?]] | |

* | [[asterisk?]] | multiplication operator and regular expression operator |

+ | [[plus?]] | optional positive number prefix, addition operator and regular expression operator |

, | [[comma?]] | separates items in a list |

!- | [[hyphen?]] | negative number prefix, subtraction operator, regular expression range operator |

. | dot | decimal point and regular expression operator |

/ | slash | division operator and regular expression enclosure |

: | [[colon?]] | |

; | semicolon | statement separator, rule separator |

< | [[lessthan?]] | |

= | [[equals?]] | |

> | [[greaterthan?]] | |

? | [[hook?]] | |

@ | [[snail?]] | |

![ | [[openbox?]] | |

\ | backslash | escape sequence prefix |

!] | [[closebox?]] | |

^ | [[caret?]] | regular expression anchor and compliment box indicator |

!_ | [[underscore?]] | |

` | [[backtick?]] | |

[[pipe?]] | regular expression alternation operator | |

~ | tilde | regular expression binding operator |

[x] | [[x_lower_case_x?]] |

++ | increment nudge operator |

-- | decrement nudge operator |

+= | addition compound assignment operator |

-= | subtraction compound assignment operator |

*= | multiplication compound assignment operator |

/= | division compound assignment operator |

^= | exponent compound assignment operator |

%= | modulus compound assignment operator |

[[doublequote?]] | literal string enclosures |

[[box?]]es | array element referencing |

braces | |

[[cheveron?]]s | |

parentheses | |

slash | regular expression enclosures |