| IsAffirm |
Checks if passed char is an affirmation char |
| IsAlpha |
Checks if leftmost character in a string is an alphabetic character |
| IsBin |
Check if the value is a Binary Number |
| IsDec |
Check if the value is a Decimal Number |
| IsDigit |
Checks if leftmost character is a digit character |
| IsDisk |
Verify if a drive is ready |
| IsHexa |
Check if the value is a Hexal Number |
| IsLeap |
Tests if a specific year is a leap year |
| IsLeapYear |
Checks if the given date is a leap year |
| IsLower |
Checks if leftmost character is an lowercased letter |
| IsNegative |
Checks if passed char is a negation char |
| IsOctal |
Check if the value is a Octal Number |
| IsUpper |
Checks if leftmost character is an uppercased letter. |
| HB_Is_CStructure |
Checks if the value is a CStructure |
| HB_IsArray |
Tests if the value returned by an expression is an array |
| HB_IsBlock |
Tests if the value returned by an expression is a Code block |
| HB_IsByRef |
Tests if a parameter is passed by reference |
| HB_IsChar |
Tests if the value returned by an expression is char type |
| HB_IsDate |
Tests if the value returned by an expression is a Date |
| HB_IsDateTime |
Tests if the value returned by an expression is a DateTime value |
| HB_IsEvalItem |
Undocumented |
| hb_IsFunction |
Determine wheter exists (linkable) a function |
| HB_IsHash |
Tests if the value returned by an expression is a Hash |
| HB_IsHashKey |
Tests if the value returned by an expression is a Hash Key |
| HB_IsLogical |
Tests if the value returned by an expression is a logical value |
| HB_IsMemo |
Tests if the value returned by an expression is a Memo value |
| HB_IsNil |
Tests if the value returned by an expression is NIL |
| HB_IsNull |
Tests if the value returned by an expression is empty |
| HB_IsNumeric |
Tests if the value returned by an expression is a numeric value |
| HB_IsObject |
Tests if the value returned by an expression is an object |
| HB_IsPointer |
Tests if the value returned by an expression is a pointer |
| hb_IsPrinter |
( Probably ) same as IsPrinter() |
| hb_IsRegex |
Determine is this value a regular expression |
| hb_IsRegexString |
Checks if a character string is a compiled regular expression |
| hb_IsService |
Undocumented |
| HB_IsString |
Checks if the value is a string |
| HB_IsSymbol |
Checks if the value is a symbol |
| HB_IsTimeStamp |
Checks if the value is a TimeStamp |
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