ID Start - No

Unicode Version 18.0

No is a designation indicating that a character cannot begin an identifier in programming languages or text processing systems. This value applies to characters that are not letters, such as digits, punctuation marks, symbols, or control characters, which are excluded from starting a valid identifier. For example, the digit “3” or the hyphen “-” would receive a “No” value, meaning any attempt to use them as the first character of a variable, function name, or similar token would be invalid. This restriction ensures that identifiers follow consistent, predictable syntax rules, avoiding ambiguity with numeric literals or operators. The “No” value is thus a fundamental gatekeeper, defining the boundary between permissible and impermissible initial characters in lexical analysis.

2251-2500 of 151602 results

Double-Struck N-Ary Summation

Turned Sans-Serif Capital G

Turned Sans-Serif Capital L

Reversed Sans-Serif Capital L

Turned Sans-Serif Capital Y

Turned Ampersand

Symbol for Samaritan Source

Vulgar Fraction One Seventh

Vulgar Fraction One Ninth

Vulgar Fraction One Tenth

Vulgar Fraction One Third

Vulgar Fraction Two Thirds

Vulgar Fraction One Fifth

Vulgar Fraction Two Fifths

Vulgar Fraction Three Fifths

Vulgar Fraction Four Fifths

Vulgar Fraction One Sixth

Vulgar Fraction Five Sixths

Vulgar Fraction One Eighth

Vulgar Fraction Three Eighths

Vulgar Fraction Five Eighths

Vulgar Fraction Seven Eighths

Fraction Numerator One

Vulgar Fraction Zero Thirds

Turned Digit Two

Turned Digit Three

Leftwards Arrow

Rightwards Arrow

Downwards Arrow

Left Right Arrow

North West Arrow

North East Arrow

South East Arrow

South West Arrow

Leftwards Arrow with Stroke

Rightwards Arrow with Stroke

Leftwards Wave Arrow

Rightwards Wave Arrow

Leftwards Two Headed Arrow

Upwards Two Headed Arrow

Rightwards Two Headed Arrow

Downwards Two Headed Arrow

Leftwards Arrow with Tail

Rightwards Arrow with Tail

Leftwards Arrow from Bar

Upwards Arrow from Bar

Rightwards Arrow from Bar

Downwards Arrow from Bar

Up down Arrow with Base

Leftwards Arrow with Hook

Rightwards Arrow with Hook

Leftwards Arrow with Loop

Rightwards Arrow with Loop

Left Right Wave Arrow

Left Right Arrow with Stroke

Downwards Zigzag Arrow

Upwards Arrow with Tip Leftwards

Upwards Arrow with Tip Rightwards

Downwards Arrow with Tip Leftwards

Downwards Arrow with Tip Rightwards

Rightwards Arrow with Corner Downwards

Downwards Arrow with Corner Leftwards

Anticlockwise Top Semicircle Arrow

Clockwise Top Semicircle Arrow

North West Arrow to Long Bar

Leftwards Arrow to Bar over Rightwards Arrow to Bar

Anticlockwise Open Circle Arrow

Clockwise Open Circle Arrow

Leftwards Harpoon with Barb Upwards

Leftwards Harpoon with Barb Downwards

Upwards Harpoon with Barb Rightwards

Upwards Harpoon with Barb Leftwards

Rightwards Harpoon with Barb Upwards

Rightwards Harpoon with Barb Downwards

Downwards Harpoon with Barb Rightwards

Downwards Harpoon with Barb Leftwards

Rightwards Arrow over Leftwards Arrow

Upwards Arrow Leftwards of Downwards Arrow

Leftwards Arrow over Rightwards Arrow

Leftwards Paired Arrows

Upwards Paired Arrows

Rightwards Paired Arrows

Downwards Paired Arrows

Leftwards Harpoon over Rightwards Harpoon

Rightwards Harpoon over Leftwards Harpoon

Leftwards Double Arrow with Stroke

Left Right Double Arrow with Stroke

Rightwards Double Arrow with Stroke

Leftwards Double Arrow

Upwards Double Arrow

Rightwards Double Arrow

Downwards Double Arrow

Left Right Double Arrow

Up down Double Arrow

North West Double Arrow

North East Double Arrow

South East Double Arrow

South West Double Arrow

Leftwards Triple Arrow

Rightwards Triple Arrow

Leftwards Squiggle Arrow

Rightwards Squiggle Arrow

Upwards Arrow with Double Stroke

Downwards Arrow with Double Stroke

Leftwards Dashed Arrow

Upwards Dashed Arrow

Rightwards Dashed Arrow

Downwards Dashed Arrow

Leftwards Arrow to Bar

Rightwards Arrow to Bar

Leftwards White Arrow

Upwards White Arrow

Rightwards White Arrow

Downwards White Arrow

Upwards White Arrow from Bar

Upwards White Arrow on Pedestal

Upwards White Arrow on Pedestal with Horizontal Bar

Upwards White Arrow on Pedestal with Vertical Bar

Upwards White Double Arrow

Upwards White Double Arrow on Pedestal

Rightwards White Arrow from Wall

North West Arrow to Corner

South East Arrow to Corner

Up down White Arrow

Right Arrow with Small Circle

Downwards Arrow Leftwards of Upwards Arrow

Three Rightwards Arrows

Leftwards Arrow with Vertical Stroke

Rightwards Arrow with Vertical Stroke

Left Right Arrow with Vertical Stroke

Leftwards Arrow with Double Vertical Stroke

Rightwards Arrow with Double Vertical Stroke

Left Right Arrow with Double Vertical Stroke

Leftwards Open-Headed Arrow

Rightwards Open-Headed Arrow

Left Right Open-Headed Arrow

Partial Differential

There Does Not Exist

Not An Element Of

Small Element Of

Contains as Member

Does Not Contain as Member

Small Contains as Member

N-Ary Coproduct

N-Ary Summation

Minus-or-Plus Sign

Asterisk Operator

Bullet Operator

Proportional To

Spherical Angle

Does Not Divide

Not Parallel To

Double Integral

Triple Integral

Contour Integral

Surface Integral

Volume Integral

Clockwise Integral

Clockwise Contour Integral

Anticlockwise Contour Integral

Geometric Proportion

Inverted Lazy S

Asymptotically Equal To

Not Asymptotically Equal To

Approximately Equal To

Approximately but Not Actually Equal To

Neither Approximately nor Actually Equal To

Almost Equal To

Not Almost Equal To

Almost Equal or Equal To

Geometrically Equivalent To

Difference Between

Approaches the Limit

Geometrically Equal To

Approximately Equal to or the Image Of

Image of or Approximately Equal To

Ring in Equal To

Equal to by Definition

Questioned Equal To

Not Identical To

Strictly Equivalent To

Less-than or Equal To

Greater-than or Equal To

Less-than over Equal To

Greater-than over Equal To

Less-than but Not Equal To

Greater-than but Not Equal To

Much Greater-Than

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