In order to do this, its first choice is to start just before the first character (it could have started anywhere), and to try to match the entire regular expression at that point. The regular expression matches if and only if Engine reaches the end of the regular expression before it runs off the end of the string. If it matches, it quits immediately
particleDisplacement 0.9 for Maya (maya script)
This script makes some kind of displacement...
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A quantified atom matches only if the atom itself matches some number of times allowed by the quantifier. (The atom is matched according to Rule 6.) Different quantifiers require different numbers of matches, and most of them allow a range of numbers of matches. Multiple matches must all match in a row, that is, they must be adjacent within the string. An unquantified atom is assumed to have a quantifier requiring exactly one match. Quantifiers constrain and control matching according to the table below. If no match can be found at the current position for any allowed quantity of the atom in question, the Engine backtracks to Rule 3 and retries higher-pecking-order items with different choices.
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