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Title |
Test
Details
Floating Complex Number
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Expression |
^([-+]?(\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?[r]?|[-+]?((\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?)?[i]|[-+]?(\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?[r]?[-+]((\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?)?[i])$
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Description |
DESCRIPTION
Parses a complex number of kind 'a+bi' from an input string. Please remove all spaces from the input string before using this regex pattern.
MATCHING EXAMPLES
'[]' means is an optional parameter;
'|' means OR;
'+' is the positive sign;
'-' is the negative sign;
'#' is one ore more decimal digits;
'E|e' are the valid exponent symbols;
'...' is the range for the exponent;
'r' means the real part of complex number;
'i' means the imaginary part of complex number.
NOTE
Has the imaginary part of the input string not a numeric value (e.g. '5-i' is a valid format) it should be interpreted as '5-1i'!
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Matches |
[+|-]#[.[#]]|[#].#[E|e[+|-]0...299][r] -OR- [+|-][#[.[#]]|[#].#[E|e[+|-]0...299]]i -OR- [+|-]#[.[#]]|[#].#[E|e[+|-]0...299][r]+|-[#[.[#]]|[#].#[E|e[+|-]0...299]]i
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Non-Matches |
[+|-][.][E|e[+|-][0...299]][r] -OR- [+|-].[E|e[+|-][0...299]]i -OR- [+|-][.][E|e[+|-][0...299]][r]+|-[#[.[#]]|[#].#[E|e[+|-][0...299]]]i -OR- any number with more than one sign or decimal seperator -OR- any string with non-leading signs on mantissa and on exponent
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Author |
Rating:
Fischer, M.
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Title |
Test
Details
Floating Complex Number Accessible
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Expression |
^((?<r>([-+]?(\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?[r]?))|(?<i>([-+]?((\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?)?[i]))|(?<r>([-+]?(\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?[r]?))(?<i>([-+]((\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?)?[i])))$
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Description |
This is the same regex pattern as 'Floating Complex Number' but extented by group names. This makes it much easier to extract the parts of the complex number (e.g. string realPart=myMatch.Result("${r}");string imgPart=myMatch.Result("${i}"); ).
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Matches |
see base example
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Non-Matches |
see base example
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Author |
Rating:
Not yet rated.
Fischer, M.
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Title |
Test
Details
Floating Number
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Expression |
^([-+]?(\d+\.?\d*|\d*\.?\d+))$
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Description |
DESCRIPTION
Parses a floating number (such as double or float) from an input string. Please remove all spaces from the input string before using this regex pattern.
MATCHING EXAMPLES
The following symbols are used:
'[]' means optional parameter;
'|' means OR;
'+' is the positive sign;
'-' is the negative sign;
'#' means one or more decimal digits;
'.' is decimal seperator.
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Matches |
[+|-]#[.[#]]|[#].#
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Non-Matches |
[+|-][.] -OR- any floating number with an exponent (e.g. 1.0E-8) -OR- any string with more than one sign or decimal seperator -OR- any string with non-leading sign
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Author |
Rating:
Not yet rated.
Fischer, M.
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Title |
Test
Details
Floating Number With Exponent
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Expression |
^([-+]?(\d+\.?\d*|\d*\.?\d+)([Ee][-+]?[0-2]?\d{1,2})?)$
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Description |
DESCRIPTION
Parses a floating number with an optional exponent from an input string. Please remove all spaces from the input string before using this regex pattern.
MATCHING EXAMPLES
The following symbols are used:
'[]' means an optional parameter;
'|' means OR;
'+' means the positive sign;
'-' means the negative sign;
'#' means one or more numbers (0...9);
'.' is the decimal seperator;
'E|e' are the valid exponent symbols;
'...' is the range of values for the exponent.
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Matches |
[+|-]#[.[#]]|[#].#[E|e[+|-]0...299]
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Non-Matches |
[+|-][.][E|e[+|-][0...299]] -OR- [+|-]#[.[#]]|[#].#E|e[+|-]300...∞ -OR- any string with more than one sign on mantissa or on exponent -OR- any string with non-leading signs on mantissa or exponent -OR- any string with more than one decimal seperator on mantissa | any string with one or more decimal seperators on exponent
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Author |
Rating:
Not yet rated.
Fischer, M.
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