Pattern attribute for input fields

Allows validation of an input field based on a given regular expression pattern.

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49
56 9.3
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4.4
14 52 57 10
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10.0-10.2
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4.4.3-4.4.4 4
11 15 53 58 10.1 44 10.3 all 56 10 37
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57 52 11
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11.4 5 1.2 7.12
54 59 TP 45
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56 61

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