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Title |
Test
Details
match float with Exponent and f sign
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Expression |
[\+-]?(([0-9]*\.[0-9]+|[0-9]+\.[0-9]*)([Ee][\+-]?[0-9]+)?[Ff]?|[0-9]+[Ff])
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Description |
match a float number with Exponent sign and f sign
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Matches |
2.0 | 0.3 | -.4 | 3.f | 2.4E-2f | 0.4E4f
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Non-Matches |
2 | 234 | .f
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Mocchapine
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Title |
Test
Details
integer match
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Expression |
[\+-]?([0-9]([0-9_]*[0-9])?|0[xX][0-9a-fA-F]([0-9a-fA-F_]*[0-9a-fA-F])?|0_*[0-7]([0-7_]*[0-7])?|0[bB][01]([01_]*[01])?)[lL]?
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Description |
match integer in decimal, hexadec, octal, and binary form
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Matches |
120 | 0xAFF | 0b1001_1111 | 20L
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Non-Matches |
100101 | 2.0f | 2.3E3
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Mocchapine
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Title |
Test
Details
matches of programming language operator
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Expression |
(<<=|>>=|&&=|(\|\|=)|<<|>>(\+=)|-=|(\*=)|(\/=)|%=|&=|(\^=)|(\|=)|<=|>=|==|!=|&&|(\|\|)|(\+\+)|--|>|<|\^|&|(\|)|\*|\/|%|\+|-|~|=)
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Description |
matches almost all programming language operator
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Matches |
++ | <= | >>=
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Non-Matches |
identifier | 2000 | 0xFFF
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Mocchapine
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